Organic Vapor/Acid Gas Cartridge helps provide respiratory protection against certain organic vapors or acid gases when used properly with 3M Half and Full Facepieces 6000, 7000 and FF-400 Series with bayonet filter holders. Swept-back design allows enhanced field of view and balance. Cartridge is suited for a variety of applications, including pharmaceutical, petrochemical, utilities, aluminum reduction, chemical manufacturing, laboratories, and pulp and paper. Cartridge is not designed for use in environments that are immediately dangerous to life or health.