Used on american optical models r/s4000, r/s5000, r/s6000 and r/s7000 respirators; niosh approval no. Tc-23c-343/344; 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 6130-00-038-8274
NSN 5855-01-384-7120
NSN 5965-01-468-6186
NSN 6145-01-110-4218
NSN 5910-00-517-0662
NSN 6685-01-310-5113
NSN 5985-00-372-5946
NSN 6105-00-152-3825
NSN 5998-00-186-6907
NSN 5960-00-615-9972
NSN 5925-01-128-6694
NSN 6650-01-094-6876