3M™ PAPR Assembly GVP-1NiMH - A complete PAPR system is comprised of a 3M™ Belt-Mounted Powered Air Purifier, NiMH rechargeable battery pack, appropriate cartridges/filter combination, breathing tube and appropriate headgear. This system offers respiratory protection against certain acid gases, organic vapors and particulates, and allows freedom of movement for approximately eight hours of continuous use. This system IS NOT intrinsically safe.