3MT Organic Vapor/Acid Gas Respirator Cartridge 6003. 1, 15, 30 Packs Pairs. Approved for protection against certain organic vapors, acid gases, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen sulfide, or hydrogen fluoride. USE WITH 3M Half and Full Face Pieces 6000, 7000 and FF-400 Series with a bayonet-style filter/cartridge connection or 3M Scott AV-3000 HT and AV-3000 SureSeal facepieces with 3M Scott AV-632 Bayonet Adapter. SWEPT BACK DESIGN allows an enhanced field of view and increased comfort. EASY TWIST ON AND OFF: Bayonet connection twist on and off easily for quick assembly and disassembly with many 3M half and full facepiece designs.