3M Organic Vapor Cartridge 3M6001 is NIOSH approved against certain organic vapors. It can be used in a variety of applications including petrochemical, laboratories, pharmaceutical and chemical manufacturing. When properly fitted, the cartridge helps provide respiratory protection from certain organic vapors at concentrations up to 10 times the Permissible Exposure Limit (PEL) with half face pieces or 50 times PEL with full face pieces. Full face pieces must be quantitatively fit tested to claim assigned protection factor above 10 in negative pressure mode. Do not use this organic vapor filter in environments that are immediately dangerous to life or health (IDLH). 2 per bag. For use with all 3M full-face and half-face respirators