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 5925-01-083-3042
NSN 6145-01-661-1074
NSN 6105-01-468-5605
NSN 5990-01-333-8678
NSN 5925-00-052-7771
NSN 6610-01-173-6323
NSN 6610-00-273-9019
NSN 6685-00-619-7770
NSN 5855-01-546-5421
NSN 5835-01-416-6449
NSN 5910-00-079-3212
NSN 6610-00-191-5317