The 3M Organic Vapor/Acid Gas Cartridge/Filter 60923 is NIOSH approved against certain organic vapors, acid gasses and particulates. Use with 3M Half and Full Facepieces 6000, 7000 and FF-400 Series with bayonet filter holders. It helps provide protection against certain organic vapors, acid gasses and particulates in a variety of environments. The cartridge/filter combination may be used for respiratory protection from certain organic vapours, chlorine, hydrogen chloride, sulfur dioxide, hydrogen sulfide, hydrogen fluoride, and non-oil and oil particulate concentrations up to 10 times the Permissible Exposure Limit (PEL) with half facepieces or 50 times PEL with quantitatively fit tested full facepieces.