Screw cap, full facepiece, 2 required; half mask , 1 required; niosh/msha, meets ansi/ul 913 standard for intrinsically safe apparatus
NSN 6145-01-493-5833
NSN 5935-01-340-4018
NSN 5915-01-567-2741
NSN 5990-00-068-4324
NSN 7035-01-287-9817
NSN 5925-01-139-3151
NSN 6110-01-043-4179
NSN 5910-01-232-9490
NSN 6320-01-067-0474
NSN 5945-01-075-8945
NSN 6645-01-552-4570
NSN 6150-01-338-6154