Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approvel no. Tc-23c-329/330; 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 6320-01-422-1212
NSN 5990-00-226-7894
NSN 6645-01-509-7326
NSN 6240-00-688-6351
NSN 6645-00-057-3499
NSN 6145-01-178-5724
NSN 5925-00-290-4451
NSN 6240-00-779-3394
NSN 5910-01-014-7765
NSN 6610-01-493-9923
NSN 6220-01-587-3962
NSN 5835-01-546-2008