Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 392x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 384x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 387x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 119x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 385x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 148x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 390x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 158x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 382x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 398x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 399x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 153x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 378x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 125x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 149x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 376x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 379x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 384x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 383x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 368x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 398x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 157x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 400x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 120x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 381x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 371x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 113x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 112x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 397x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 384x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 104x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 398x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 400x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 134x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x234x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 375x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 386x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 150x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 130x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 385x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 388x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 156x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 107x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 381x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 390x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 393x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 371x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 120x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 393x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 138x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 375x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 391x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 383x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 106x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 368x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 370x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 117x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x206x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 390x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 128x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 370x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 387x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 380x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 104x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 399x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 379x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 104x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 121x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 388x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 124x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x225x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 109x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 377x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 148x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 392x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 371x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 370x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 149x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 134x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 105x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 395x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 129x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 391x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 102x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 400x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 138x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 372x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 125x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 105x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x203x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 374x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 397x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 153x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 372x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 396x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x233x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 140x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 157x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 391x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 386x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x209x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 144x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x135x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 393x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 116x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) 100x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 149x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 383x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x210?79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 389x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 135x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x231x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 144x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x215x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 109x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 140x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 151x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 133x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 382x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 117x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 107x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 105x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 149x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 112x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 371x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x208x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 102x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 396x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 381x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 127x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 400x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 386x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 127x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 383x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 398x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 116x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 140x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 374x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 370x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 398x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 150x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 134x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 397x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 396x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 139x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 107x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 128x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 139x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 116x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 397x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 114x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 379x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x216x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 105x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 369x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 123x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 392x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 119x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 392x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 379x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 113x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 129x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 368x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 395x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 148x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 377x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 370x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 373x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 397x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 120x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 384x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 368x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 387x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 137x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 108x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 114x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 105x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 140x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 385x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 110x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 384x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 392x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x203x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 390x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 115x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 107x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 374x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 130x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x212x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 380x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 368x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 113x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 127x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 396x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 157x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 377x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 370x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 146x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 374x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 397x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 381x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 100x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 153x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 133x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 397x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 377x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 389x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 393x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 138x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x219x79 Optical coloured inorganic glass IKS 970-1 (dark infrared) 370x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 149x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x207x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 396x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 150x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 148x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 133x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 377x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 392x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 377x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 393x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 373x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 130x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 147x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x206x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 106x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 153x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 112x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 119x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 146x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 147x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 155x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 156x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 379x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 395x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 392x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 111x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 146x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 116x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 156x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 111x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 106x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 129x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 382x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x216x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 382x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 102x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 127x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 391x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 125x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 113x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 381x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 147x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 140x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 155x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 394x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 371x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x217x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x222x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 144x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 379x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 158x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 380x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 148x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 377x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 387x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 384x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 380x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 376x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 159x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 122x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 375x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 390x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 127x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 375x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 384x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 132x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x229x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 101x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 150x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 369x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 156x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 150x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 158x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 129x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 118x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 385x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x203x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 134x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 103x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 389x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 383x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 132x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 391x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 393x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 373x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 400x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 139x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 153x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 146x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 398x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 119x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 103x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 107x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 396x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 105x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 393x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x206x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 393x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 397x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x230x79 Optical coloured inorganic glass IKS 970-1 (dark infrared) 116x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 393x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 134x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 149x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 385x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 377x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 397x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 116x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 394x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x203x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 375x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 154x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 120x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 371x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 132x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 104x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 154x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x216x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 393x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 397x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 109x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 398x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 148x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 154x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 390x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 138x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 123x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 145x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 382x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 115x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 371x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 369x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 114x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 384x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 400x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 373x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 391x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 385x203x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 116x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 139x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 379x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 137x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 150x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 110x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 120x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 130x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 373x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 385x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 139x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x207x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 158x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 386x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x207x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 398x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x231x79 Optical coloured inorganic glass IKS 970-1 (dark infrared) 115x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 385x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 127x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 107x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 138x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 153x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 383x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 368x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 121x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 396x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 384x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x216x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 375x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 147x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 119x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 386x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x206x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 385x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 376x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x213x79 Optical coloured inorganic glass ICS 970-1 (dark infrared) 116x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 140x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x204x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 130x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 394x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 383x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 376x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x208x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 109x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 390x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 400x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 374x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 158x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x203x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 374x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 393x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 380x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 155x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 391x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 105x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 388x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 153x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 386x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x234x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) grade 386x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 379x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 373x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 104x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 397x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 368x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 375x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 391x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 148x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 150x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 130x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 398x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 146x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 103x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 113x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 117x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 104x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 157x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 130x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 144x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 393x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 368x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 384x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 110x217x79 Inorganic optical coloured glass IKS 970-1 (dark infrared) 131x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 118x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 119x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x206x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 109x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 116x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 116x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 106x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 384x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 157x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 119x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 137x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 368x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 117x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 106x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 149x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 137x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 155x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 151x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x234x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 146x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 137x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 151x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 138x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 383x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x229x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 143x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 389x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 114x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 222x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 387x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 102x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 150x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x212x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 102x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 107x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x230x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x223x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 104x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 122x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 137x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 372x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 119x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 130x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 390x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 376x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 391x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 138x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 393x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 369x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 210x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 390x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 376x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 154x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 375x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 114x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 381x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 133x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x216x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 120x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 147x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x211x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x216x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 375x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 103x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 110x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x204x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 385x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 383x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 395x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 146x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 122x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 156x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x221x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 106x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 390x217x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 114x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 398x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 372x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 123x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 127x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 315x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 102x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 130x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 117x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 125x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 133x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 112x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x206x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 122x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 378x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 142x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x234x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 144x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x230x79 Inorganic optical coloured glass IKS 970-1 (dark infrared) 110x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 368x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 130x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x212x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x229x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 155x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x226x79 Inorganic optical coloured glass IKS 970-1 (dark infrared) 110x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 369x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 143x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 374x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 156x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 373x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 378x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x234x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 387x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 131x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 110x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 111x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 145x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x206x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 380x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x206x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x231x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 140x216x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 379x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 146x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 114x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 336x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 123x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 148x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 146x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x211x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 378x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 398x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x226x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 393x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 371x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 114x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x229x79 Inorganic optical coloured glass IKS 970-1 (dark infra-red) 109x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 158x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 194x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 391x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 103x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 110x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 107x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 140x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 151x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 396x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 397x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 141x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 379x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 312x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 399x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 374x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 153x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 369x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 396x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x210x79 Optical coloured inorganic glass IKS 970-1 (dark infra-red) 120x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x213x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 374x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 379x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 235x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x234x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 383x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 132x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x217x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 114x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 105x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) grade 399x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 400x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 153x217x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 374x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x203x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x211x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 163x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 387x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 381x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 397x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 287x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 203x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 142x209x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 182x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x222x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 100x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 373x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 140x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x208x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 398x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 224x213x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 108x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 381x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 103x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x223x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x233x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 250x218x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 398x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x207x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 158x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 145x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x228x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 142x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 386x203x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 371x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 230x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x224x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 398x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 126x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 278x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 375x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x214x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 297x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 291x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 118x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 148x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 372x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 382x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 300x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 102x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 330x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 344x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 318x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 400x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x204x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 368x214x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 384x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 164x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 154x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 204x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x225x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 132x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 154x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x203x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 370x218x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 113x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 101x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 136x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 319x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 202x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x222x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 385x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 388x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 157x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 272x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 333x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 124x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 148x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 107x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 354x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x223x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 124x225x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x220x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 361x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 395x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 140x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 277x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 306x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 245x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 229x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 371x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 256x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 107x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x234x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x208x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 136x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 369x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x234x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 147x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 304x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 105x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 156x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 105x223x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x204x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 372x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 198x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 365x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 249x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 161x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x212x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 100x205x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 179x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 356x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 374x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 400x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 273x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 107x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x229x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 111x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 153x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 305x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 126x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 151x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 144x228x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 386x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 181x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x230x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 113x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 100x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 101x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x210x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 138x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x210x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 133x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 160x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 389x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 246x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 248x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 241x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x233x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 123x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 166x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 170x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 178x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 341x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 102x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 189x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 238x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 329x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 254x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 130x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 302x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 138x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 275x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x204x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x210x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 388x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x221x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 106x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 276x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 264x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 325x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 391x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 399x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 183x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x229x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 153x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 293x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 131x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 177x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 123x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 381x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 259x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 123x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 362x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 121x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 226x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x222x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 109x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 213x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 216x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 135x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 127x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x231x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x219x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 132x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 206x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 199x215x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 392x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 337x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 301x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 174x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 255x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 309x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 328x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x230x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 389x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 265x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x218x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 128x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 167x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x213x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 129x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 376x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 115x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 257x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 313x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 212x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 225x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 288x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 370x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 345x225x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 377x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 190x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 374x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 363x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x215x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 147x231x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 382x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 358x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x221x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 143x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 263x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 331x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 175x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 348x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 184x220x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 156x219x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 114x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 253x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 371x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 279x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 310x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 261x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 388x224x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x205x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 102x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 192x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 266x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 240x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 252x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 117x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 282x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 352x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 350x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 284x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 298x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 377x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x227x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 137x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 176x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 311x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 268x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 335x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 237x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 349x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 366x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 122x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 187x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 165x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 392x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x209x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 139x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 295x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x222x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 382x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 162x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 269x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 228x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x229x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x231x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 134x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 281x212x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 380x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 247x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 289x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 355x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 320x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x217x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 150x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 314x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 391x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x215x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 155x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 342x218x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 398x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 296x206x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) grade 387x208x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 116x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 322x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 327x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 232x205x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 385x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 200x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 196x231x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 317x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 108x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 378x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x233x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 112x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 218x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 173x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 219x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 223x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 169x232x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 157x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 323x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x217x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 390x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 208x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 346x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 197x209x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 368x226x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 205x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 283x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x221x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 109x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 188x207x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 397x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 125x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 221x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x210x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 124x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 185x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 258x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x206x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x221x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 316x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 180x207x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 155x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 307x223x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 207x230x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 139x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 367x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 359x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 244x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 290x232x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) grade 385x216x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 101x226x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 119x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 251x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 191x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 209x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 227x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x224x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 168x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 231x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 236x213x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 394x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 125x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 137x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 239x218x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 274x207x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 243x225x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 145x219x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 104x226x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 135x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 340x233x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 360x206x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 294x232x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 384x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 193x214x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 286x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 308x220x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 152x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 172x208x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 393x220x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 271x228x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 131x219x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 186x224x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 398x226x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 390x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 260x203x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 233x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 217x228x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 377x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 171x229x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 347x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 262x227x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 138x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 214x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 351x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 338x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 201x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 364x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 242x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 144x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x209x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 159x220x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 396x205x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 334x215x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 159x213x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 299x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 285x227x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 152x216x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 374x227x79 Optical coloured inorganic glass of ICS 970-1 (dark infra-red) 394x222x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 270x224x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 394x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 324x225x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 220x216x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 158x211x79 Inorganic optical coloured glass of ICS 970-1 (dark infra-red) 149x208x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 332x214x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 353x211x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 234x234x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 215x230x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 339x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 195x232x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 211x228x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 321x216x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 343x210x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 292x214x79 Inorganic optical coloured glass of ICS 970-1 (dark infrared) 134x209x79 Inorganic optical coloured glass ICS 970-1 (dark infra-red) 120x227x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 357x219x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 146x217x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 267x205x79 Optical coloured inorganic glass of ICS 970-1 (dark infrared) 395x212x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 326x215x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 280x233x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 141x204x79 Optical coloured inorganic glass of IKS 970-1 (dark infrared) grade 303x232x79 Inorganic optical coloured glass ICS 970-1 (dark infrared) 156x230x79