YSI 251401Y DPD Free Chlorine Reagent Powder for pHotoFlex and 900 Chlorine Colorimeter, EPA Approved, 10ml Volume, 0.02 to 2mg/L Range (Pack of 100) auspowers_batchone Perfect for use in the

Perfect for use in the dark The Five Scales: （1）The 1st Light detects a Normal EMF field

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Maximum load of 45 pounds

Material: the mounting tape is made of PE foam

YSI 251401Y DPD Free Chlorine Reagent Powder for pHotoFlex and 900 Chlorine Colorimeter, EPA Approved, 10ml Volume, 0.02 to 2mg/L Range (Pack of 100) auspowers_batchone Perfect for use in theYSI 251401Y DPD Free Chlorine Reagent Powder for pHotoFlex and 900 Chlorine Colorimeter, EPA Approved, 10ml Volume, 0. 02 to 2mg L Range (Pack of 100) YSI 251401Y DPD Free Chlorine Reagent Powder for pHotoFlex and 900 Chlorine Colorimeter, EPA Approved, 10ml Volume, 0. 02 to 2mg L Range (Pack of 100) Product Features