Blue, 5-strap, niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
The portion of a mask, air line; mask, chemical-biological; mask, gas; or other breathing equipment mask that partially or completely encloses the user's face.
NSN 6145-01-308-9583
NSN 6110-00-677-8066
NSN 6650-01-252-8190
NSN 4140-00-419-0631
NSN 5920-01-270-2171
NSN 5985-00-369-0649
NSN 7035-00-371-7749
NSN 5835-00-912-5656
NSN 6130-00-039-8534
NSN 5855-00-631-4565
NSN 5905-00-104-8347
NSN 6240-01-296-3975