3M Organic Vapor Cartridge 6001, Respiratory Protection. Use in a variety of workplace applications, including petrochemical, chemical manufacturing, construction, transportation and electronics. When properly fitted, 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. Not for use in environments that are immediately dangerous to life or health (IDLH).