Specific to benzene, detector tubes; 0.5-10ppm; for 5 tests
NSN 6220-01-656-6020
NSN 5999-01-500-4209
NSN 6135-01-190-2628
NSN 6105-01-441-5509
NSN 6620-01-461-2387
NSN 5985-01-075-9749
NSN 6150-00-753-3950
NSN 5985-00-244-8104
NSN 6650-01-570-6094
NSN 6650-01-180-1546
NSN 5915-01-656-1685
NSN 5999-01-196-2050