Moldex Formaldehyde Cartridge designed for use with 7000 series half Facepieces and 9000 series full Facepieces renders respiratory protection from certain formaldehyde vapors. 100% PVC-free cartridge ideal for synthesis of formaldehyde resins, chelating agents and dyes, textile manufacturing, tanning operations, manufacture of particle board, plywood, sandpaper, grinding wheels, embalming applications can also be used with N95 or P100 filters for protection against particulates. Cartridge meets the requirements of NIOSH standards. OSHA regulations require gas-proof goggles.