3M  Cartridge is designed to render respiratory protection from chlorine, hydrogen chloride, sulfur dioxide, chlorine dioxide, hydrogen sulfide and particulates at concentrations up to 10 times and 50 times the permissible exposure limit with half Facepieces and full Facepieces respectively. This cartridge is compatible with 6000 and 7000 series air purifying respirator comprising P100 filter and bayonet style cartridge holders. Cartridge measuring 3.4" X 4.2" is used in a variety of applications such as chemical manufacturing, glass etching, pulp and paper and laboratories. Cartridge is provided with a swept-back design for increased field of view and balance.