Full Face Gas Mask Maxi (Includes 2 Cartridges) PRODUCT DETAILS Full Face Gas Mask Maxi (Includes 2 Cartridges) DUAL FLANGE NEOPRENE RUBBER FULL FACE PIECE CHIN CUP DESIGNED TO COVER WORKER’S ENTIRE FACE. CARTRIDGES HAVE AN INSIDE THREAD CONNECTION. 5 STRAP HEAD HARNESS. ORAL/NASAL CUP REDUCES FOGGING. HARD COATED POLYCARBONATE LENS WHICH IS SCRATCH AND IMPACT RESISTANT. MEETS IMPACT AND PENETRATION REQUIREMENTS OF ANSI Z87.1-1989.