3M Organic Vapor/Acid Gas/High Efficiency Cartridge GVP-443 is used with the 3M Belt-Mounted and Vehicle-Mounted Powered Air Purifying Respirator (PAPR) Systems. It attaches to the motor blower and filters the air supplied to the headgear.
3M Organic Vapor Acid Gas Cartridge For GVP Series Belt And Vehicle Mounted Air Purifying Respirator System Review