6000 Series Organic Vapor Cartridge 6001 3M This organic vapor cartridge works with 3M™ Half and Full Facepieces 6000, 7000 and FF-400 Series with bayonet holders. The cartridge is NIOSH (National Institute for Occupational Safety and Health) approved for environments containing certain organic vapors. The cartridge has been assigned the color code “black” in the NIOSH system. Breathing organic vapors can pose a risk to your health. NIOSH, a Federal government regulatory agency, has tested and approved the 3M™ Organic Vapor Cartridge 6001 to help reduce exposure to certain organic vapors.