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ITEM#: 2495-85548 PK
MFR#: 85548 PK
GFS Chemicals Amco Clear Primary and Deluxe Turbidity Standards Kits, For Use With: For Hach ratio 18900 turbidimeter, Includes: 3 x 250mL of each 1.8, 18 and 180 NTU standards, sealed secondary standards of each value, Calibration Kit, Acc