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 7035-01-145-5059
NSN 5960-01-224-8022
NSN 5960-00-106-7247
NSN 6240-01-259-4265
NSN 5855-01-085-1609
NSN 6645-01-053-3185
NSN 5855-01-431-3531
NSN 5999-00-284-4342
NSN 5935-01-438-1099
NSN 6620-01-476-7355
NSN 6110-01-109-0114
NSN 6620-01-045-4467