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 5996-01-633-6642
NSN 6220-00-240-0142
NSN 6610-01-446-5975
NSN 5999-01-650-5828
NSN 6320-01-054-3046
NSN 6320-00-553-8427
NSN 5835-01-286-6499
NSN 5910-00-079-4067
NSN 5835-01-360-2657
NSN 6650-01-443-3668
NSN 6130-00-632-7116
NSN 5996-01-492-1695