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 6130-01-481-3599
NSN 5965-01-411-9933
NSN 6105-00-922-2959
NSN 6220-01-212-4088
NSN 5998-01-387-6862
NSN 5915-00-928-8267
NSN 5835-01-477-0137
NSN 4140-01-223-0116
NSN 5998-01-033-6826
NSN 5905-00-826-5614
NSN 6685-00-907-4922
NSN 5925-01-441-8318