NIOSH approved against certain organic vapors or acid gases. Use with 3M™ Half and Full Facepieces 6000 Series and 3M™ Half and Full Facepieces 7000 Series with bayonet style cartridge holders. Use in a variety of applications, including pharmaceutical, petrochemical, utilities, aluminum reduction, chemical manufacturing, laboratories, and pulp and paper. When properly fitted, helps provide respiratory protection from certain organic vapors, chl