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 5975-01-061-4541
NSN 6220-00-083-0509
NSN 5950-00-229-2656
NSN 5965-01-028-4136
NSN 5945-01-124-0061
NSN 5835-01-370-4292
NSN 5960-01-541-5734
NSN 5975-01-457-4021
NSN 7035-00-264-7543
NSN 2925-01-307-7429
NSN 6150-01-073-8037
NSN 6620-00-606-0446