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 6110-01-359-4248
NSN 6645-01-576-9896
NSN 6645-00-107-8190
NSN 5915-01-642-0016
NSN 6320-01-379-1182
NSN 5925-00-328-3885
NSN 6240-01-054-2289
NSN 4140-01-609-8360
NSN 5935-01-087-9425
NSN 6220-01-310-7166
NSN 7035-01-339-5480
NSN 5920-00-522-6525