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 5835-00-572-7445
NSN 6135-01-432-2785
NSN 5985-01-354-2979
NSN 6150-01-646-9212
NSN 5945-00-041-2849
NSN 7035-00-763-6180
NSN 6620-00-435-3187
NSN 5975-00-099-9312
NSN 5905-01-527-1372
NSN 6645-01-182-2102
NSN 5999-00-171-8858
NSN 5895-01-411-6024