CRYSTALINE UNIVERSAL BIOT welding helmet-mounted face

BIOT anthracite-coloured anthracite case made of non-flammable heat-resistant Super Termotrek material; mounting on the helmet with special universal adapters (included), fixed in two most advantageous positions: working (at the bottom) and non-working (at the top); cover glass and backing made of polycarbonate.
Autodarkening light filter with adjustable sensitivity of four optical sensors and speed of brightening; external adjustment of the degree of darkening (9-13); four optical sensors; natural colour rendering (True Color); dimensions of the visible area 100x60mm; optical properties 1/1/1/2. Replaceable battery.