Test kit hydrogensulfide model hs-c range 0-5 mg/l, color chart; effervescence of h2s method
NSN 6240-00-927-3845
NSN 5998-01-492-6632
NSN 5950-01-514-2363
NSN 5996-01-570-4583
NSN 2925-01-412-9520
NSN 6150-01-364-1537
NSN 4140-01-084-7596
NSN 5925-00-968-7444
NSN 5975-01-158-7483
NSN 5998-00-537-4437
NSN 6620-01-456-0529
NSN 5935-01-523-3633