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 5945-01-464-3531
NSN 5835-00-564-0057
NSN 5920-01-106-1137
NSN 5996-01-033-8371
NSN 6145-01-287-9251
NSN 5915-01-372-3277
NSN 7035-01-071-5214
NSN 6135-00-122-2420
NSN 6220-00-379-4044
NSN 5975-01-316-2647
NSN 5950-00-913-7368
NSN 6110-01-098-4803