Gas Mask

An individual respiratory protective device having a canister, gas mask as the air purifying element; designed to protect the wearer against inhalation of gases, fumes and smokes. The facepiece may be connected to the canister by a flexible hose, or it may be designed for attaching directly to the canister. Excludes respiratory protective devices designed to regenerate expired air. Excludes mask, oxygen; mask, air line; mask, chemical-biological and respirator, air filtering.