Niosh/mesa approved tc-21c-176; sole source required by statute 6.302
A disposable preformed shape of a filtering material for covering the nose and mouth to prevent the inhalation of nonvolatile aerosols. A nonreplaceable headband is attached directly to the preformed shape to retain it firmly against the face. Excludes respirator, air filtering.
NSN 5835-00-237-2879
NSN 6240-01-604-9172
NSN 6685-00-248-4016
NSN 5965-01-350-1890
NSN 7035-01-629-0082
NSN 6645-00-303-7698
NSN 5920-01-500-2150
NSN 5985-01-347-3371
NSN 6150-01-218-2425
NSN 5945-01-437-5048
NSN 6145-01-377-5130
NSN 5905-01-508-4193