Specifications include, but are not limited to: Portable Pocket Colorimeter II, Chlorine with the USEPA approved Free and Total Chlorine methods. -SpecCheck Secondary Gel Standards Set, DPD Chlorine.
-DPD Free Chlorine Reagent Powder Pillows, 10ml, 100 per pack. -Sample Cell: 1" Round Glass 10ml - 6 per pack with caps. Items must be manufactured by Hach.