Used on sigma scba or sar systems; niosh approval tc-13f-284 through tc-13f-287
NSN 5835-00-216-4568
NSN 2925-01-501-1104
NSN 5905-00-604-9608
NSN 6650-01-644-7722
NSN 6240-00-280-8502
NSN 6645-01-506-8900
NSN 5915-00-413-4623
NSN 4140-01-446-9886
NSN 5998-01-437-8870
NSN 5925-01-310-8456
NSN 5935-01-253-2816
NSN 6650-01-332-3799