Niosh approved 42cfr84. Used against ammonia/methylamine only
NSN 6150-01-236-6329
NSN 6150-01-078-1230
NSN 5999-01-096-5829
NSN 5925-01-330-2362
NSN 6135-00-269-5843
NSN 5895-01-416-5785
NSN 6620-01-514-2949
NSN 5920-01-437-6543
NSN 5895-00-223-1697
NSN 6650-01-256-9151
NSN 6650-00-695-0304
NSN 6220-01-432-2232