Total and/or free chlorine and fluoride
Classification: Diagnostic or lab reagents on a backing, prepared diag/lab reagents whether or not on a backing, not of heading 3002 or 3006; certified ref materials
NSN 5985-01-093-4221
NSN 6645-01-454-0652
NSN 5990-00-351-5479
NSN 6150-01-488-4871
NSN 5915-00-009-4351
NSN 6135-01-512-8740
NSN 6145-00-170-6467
NSN 5998-01-503-0216
NSN 6320-01-111-8851
NSN 5925-01-053-6519
NSN 5925-01-357-9402
NSN 4140-01-158-0252