LAMOTTE 6999A-H Reagent Refill,Free Chlorine,0.2to3.0PPM 4EWD1
Colorimeter Reagents – DPD 1 – Total Chlorine, Concentration 0.2 to 3.0 ppm, Chemical Grade Lab, Special Information Blister-Style Foil-Packaging Allows Users to Dispense a Tablet into a Small Vial by Pressing the Tablet Through the Foil.