CRYSTALINE PROFI BIOT welding helmet-mounted face

BIOT anthracite-coloured anthracite body made of non-flammable heat-resistant material Termotrek; mounting on the helmet with special universal adapters (included), fixed in two most advantageous positions: working (below) and not working (above); panoramic cover glass and backing made of polycarbonate.
Auto-darkening light filter with adjustable sensitivity of optical sensors and speed of brightening; internal adjustment of the degree of darkening; four optical sensors; mode "Grinding" and mode "Burner" (internal switch); natural colour rendering (True Color); dimensions of the visible area 97x47mm; optical properties 1/1/1/1.