Niosh approval no. Tc-23c-604; sole source required by statute 6.302; used on american optical excape artist mouthpiece respirators
A self-contained unit designed for placement in the holder of a respirator or air line mask. It may consist of a filtering element of fibrous material such as felt, paper, or the like secured between two end plates; or it may be a cylindrical container of light weight construction having flat or slightly rounded ends which may be either perforated or of wire mesh, filled with charcoal or chemicals which absorb contaminants from the air passing through it. See also filter, respirator, air filtering.
NSN 5855-01-147-6024
NSN 5855-01-386-7323
NSN 5945-00-941-5944
NSN 5975-01-512-3194
NSN 6650-01-381-3542
NSN 6150-01-461-8174
NSN 6135-01-277-7907
NSN 5996-01-069-2915
NSN 5930-01-064-9252
NSN 5975-01-237-4093
NSN 6685-00-296-0392
NSN 6320-00-139-1090