Used on sigma scba or sar systems; niosh approval tc-13f-284 through tc-13f-287
NSN 5945-00-959-9524
NSN 6145-00-405-2049
NSN 5998-00-553-2849
NSN 6650-01-341-9838
NSN 6645-01-129-8211
NSN 5950-01-005-4757
NSN 6610-01-101-5909
NSN 5920-01-647-9128
NSN 5998-01-377-0982
NSN 5945-00-249-6471
NSN 5930-01-515-7029
NSN 6105-00-659-3890