Niosh approval no. Tc-23c-111; sole source required by statute 6.302; used on american optical escape 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 5895-01-071-6930
NSN 6650-01-399-0628
NSN 6220-01-641-2370
NSN 6240-01-029-3701
NSN 4140-01-394-6982
NSN 6110-01-050-4912
NSN 6240-01-555-8365
NSN 5965-01-341-8746
NSN 5996-00-098-3864
NSN 5999-01-244-4979
NSN 6685-01-014-5336
NSN 5975-00-432-0346