Diving Mask, Full Face 10
Diving Mask, Full Face 10 : Features: (4) Other Features: The inside of the mask window may get misted/fogged, and need to be treated with a demister. Some British Army and Russian gas masks are designed so that when the wearer breathes in, the inflow of air blows over the inside of the mask window and tends to evaporate any mist deposit on it. This feature is also found on the original Kirby Morgan EXO-26 mask, but the later EXO-BR uses an oro-nasal inner mask to reduce dead space