Niosh approval no. Tc-23c-604; sole source required by statute 6.302; used on american optical excape artist mouthpiece respirators
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 6240-00-143-6558
NSN 6645-01-322-8431
NSN 5960-01-293-6624
NSN 5999-01-426-0779
NSN 6650-01-343-1708
NSN 5975-01-521-3494
NSN 5985-01-398-0786
NSN 6620-01-595-4691
NSN 6240-00-242-6231
NSN 5915-00-476-4565
NSN 6320-01-332-1977
NSN 5910-00-824-5207