Niosh approval no. Tc-23c-111; sole source required by statute 6.302; used on american optical escape 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 5990-01-013-0793
NSN 6650-00-336-0753
NSN 5895-00-027-9888
NSN 6240-01-483-0449
NSN 6105-01-026-0165
NSN 5990-01-416-0362
NSN 5999-00-258-1216
NSN 6220-01-424-0687
NSN 6650-01-145-5173
NSN 5920-00-883-6889
NSN 6685-00-935-6961
NSN 5950-01-366-7924