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 5835-00-019-1816
NSN 6620-00-468-6059
NSN 6110-01-613-8820
NSN 5999-01-098-6469
NSN 6135-01-347-0201
NSN 5998-01-490-4177
NSN 5999-01-520-7640
NSN 5990-01-231-9608
NSN 5905-00-851-2042
NSN 6650-01-310-7403
NSN 6110-01-497-3343
NSN 5905-01-551-4683