The NIOSH-approved Opti-Fit CBRN Full Facepiece Gas Mask from Survivair features an anti-scratch coated polycarbonate lens and meets the optical, impact and penetration requirements of ANSI Z87.1-1989. Durable facepiece skirt is constructed of chemical-resistant Butyl rubber; three-position canister mounting option allows for side or front mounting.Survivair, Bacou-Dalloz, Smithfield, RI. AIHCE BOOTH 401