The Moldex 7600 Multi-gas/Vapor Smart Cartridge is NIOSH approved for nine gases/vapors, allowing it to replace up to five cartridges, decreasing the amount of cartridges you need on hand. This Smart cartridge can be used in environments containing organic vapors, ammonia, methylamine, chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen fluoride, formaldehyde, and hydrogen sulfide. Can also be combined with Moldex N95, R95, and P100 filters for even more capabilities. Smart cartridge is especially ideal for work areas containing multiple hazards. This versatile cartridge will streamline your inventory and reduce the chance of workers wearing an incorrect cartridge.