Combination cartridge filter reduces inhalation exposure to organic vapors, acid gases, and particulates. Effective for chemical processing, mining or pharmaceutical applications. Can be used with full or half facepiece masks. Filter Type: Gas/Vapor Filtration For: Acid Gases Organic Vapors Non-Oil Based Particulates Oil Based Particulates Rating: P100 For Use With: 3M Half/Full Facepieces 6000, 7000 Series 3M FF-400.