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HF Scientific - Chlorine Pocket Photometers HF Scientific - Chlorine Pocket Photometers
Accurately measures chlorine (choose either free or total), EPA approved method. Includes carrying case, PPD-2 powder pop dispenser.

Starting at:  $ 633.62

HF Scientific - Chlorine Dioxide Reference Standard (P/N 10453) HF Scientific - Chlorine Dioxide Reference Standard (P/N 10453)

$ 92.00