Description Highlights 3M Bayonet Connection System ensures precise and secure locking. Low profile and well balanced twin filter design Suitable for use with 3M 6000/7500 Series Half Face Respirators and 3M 6000/7000 Series Full Face Respirators Swept-back design allows an enhanced field of view and comfort 65ºC) Inorganic & Acid Gases, Ammonia and Methylamine (A1B1E1K1) The 3M Cartridges 6000 Series attaches to the 3M Half and Full face respirators, they are lightweight and well balanced when fitted to the respirator.