Gas Mask Canister, NIOSH Rating Acid Gas (AG), Ammonia (AM), Chloroacetophenone (CN), Chlorobenzylidene Malononitrile (CS), Methylamine (MA), Organic Vapor (OV), P100, Color Code Magenta, Olive, Compatible with Brand and Series 3M 6000 Series, 3M 7800 Series, 3M FR-M40 Series, Respirator Connection Type Threaded, FR-M40 Series, Package Quantity 4. This item has been restricted from sale in the following state (s): []