Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approved tc-21c-249/250; sole source required by statute 6.302
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 5925-01-647-5615
NSN 6220-01-542-7863
NSN 6105-01-600-3652
NSN 7035-01-458-3532
NSN 5920-00-269-6178
NSN 5975-01-386-3061
NSN 5930-01-376-1803
NSN 5855-00-631-4565
NSN 5925-01-049-6593
NSN 6240-00-152-6289
NSN 6650-00-759-8905
NSN 6220-00-064-0332