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 6620-00-286-5721
NSN 6110-01-467-6610
NSN 5835-00-419-0575
NSN 6135-01-222-0703
NSN 5905-01-317-8730
NSN 6130-00-020-9289
NSN 5999-01-175-8094
NSN 6240-00-364-0850
NSN 6240-01-050-9156
NSN 5920-01-034-8816
NSN 5998-01-433-3835
NSN 6105-00-445-1090