Organic Vapor / Acid Gas Cartridge / Filter helps provide NIOSH-approved respiratory protection against certain organic vapors, acid gases & particulates when used properly with 3M Half & Full Facepieces 6000, 7000 & FF-400 Series with bayonet filter holders. Swept-back design allows enhanced field of view & balance. Cartridge is suited for a variety of applications, including petrochemical & chemical processing, utilities, pharmaceuticals, mining & primary metals. Cartridge is not designed for use in environments that are immediately dangerous to life or health.