Specific to benzene, detector tubes; 0.5-10ppm; for 5 tests
NSN 6645-01-087-7345
NSN 5835-01-005-2836
NSN 5915-01-223-8225
NSN 5998-01-123-4950
NSN 5999-01-345-2837
NSN 6650-01-418-0790
NSN 5835-01-138-8622
NSN 6135-00-505-0679
NSN 5999-01-463-0000
NSN 6220-01-585-6556
NSN 5835-00-111-2953
NSN 5895-01-509-7802