Check the listing for details. 1 Pair Respirator Cartridge/Filter 60926 for 6000, 6800 and FF-400 Series Masks. Condition: New. Listed at 14.99 USD. NIOSH approved against certain organic vapors, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen sulfide, ammonia, methylamine, formaldehyde, or hydrogen fluoride, and non-oil and oil particulates Fit for the half mask 6200 6500 7502 Series Fit for the full mask 6800, 6000, 7000 and FF-400 Series with a bayonet-style filter/cartridge connection VARIETY OF USES: When properly fitted, use in a variety of applications including cleaning, grinding, hazardous waste handling, paint preparation, pesticide application, petrochemical, pharmaceuticals, powder coating, remediation, torch cutting, and welding EASY TWIST ON AND OFF: Bayonet connection twist on and off easily for quick assembly and disassembly with many half and full facepiece designs.