3M 6006 Multi Gas Vapor Cartridge is NIOSH approved for protection against gases and organic vapors such as ammonia, chlorine, chlorine dioxide, formaldehyde, hydrogen chloride, hydrogen fluoride, hydrogen sulfide, methylamine, and sulfur dioxide. 3M 6006 Multi Gas/Vapor Cartridge works with 3M Half Facepieces and Full Facepieces 6000, 7000 and FF-400 Series with bayonet holders or 3M Scott™ AV-3000 HT and AV-3000 SureSeal facepieces with 3M™ Scott™ AV-632 Bayonet Adapter.