The 3M Organic Vapour Cartridge/Filter 60921 is NIOSH approved against certain organic vapors and particulates. Use with 3M Half and Full Facepiece, 6000, 3M Half and Full Facepiece, 7000, and 3M Half and Full Facepiece, FF-400 Series with bayonet filter holders. The cartridge/filter combination provide protection against certain organic vapors and particulates in a variety of environments and may be used for respiratory protection from certain organic vapors 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.