Cartridge, 3M 6000/7000/FF-400 Series, Organic Vapor (OV), Bayonet, Black, 2 PackMfr #: 6001 NIOSH APPROVED for use against certain organic vapors. This includes painting and other applications where organic vapors are present USE WITH 3M 5000 Series Respirators or 3M Gas and Vapor Cartridges 6000 Series (with Adaptor 502) which are approved for use with 3M Half Facepiece 6000, 6500 and 7500 Series or 3M Full Facepiece 6000, FF 400 or 7800S Series. LOW PROFILE design helps maintain good field of vision. VARIETY OF USES: Assembly