Pentair R151246 78DPD All-in-One DPD Test Kit All-in-One DPD test kit Comes with free, total and combined Cl, pH, acid demand and total Alkalinity, Lucite test cell 50 each DPD No. 1 and No. 3 tabs, 1-ounce No. 2, No. 3, 1/2-ounces No. 4, No. 5, water test booklet, red display box Includes 1 kit per pack Measures 9-inch length by 15-1/4-inch height by 14-inch width