Niosh approved 42cfr84. Used against acid gas; chlorine/hydrogen chloride/sulfur dioxide/chlorine dioxide/hydrogen sulfide (escape only)
NSN 5895-01-028-5344
NSN 5930-00-362-6737
NSN 4140-01-454-3676
NSN 5960-01-485-2467
NSN 5945-01-057-9248
NSN 7035-00-470-4977
NSN 5910-01-608-5641
NSN 6620-01-058-8800
NSN 5905-01-187-1630
NSN 6135-00-444-1402
NSN 5996-01-184-9442
NSN 5895-01-562-9364