Pentair R151076 752 2 n 1 pH and Chlorine Test Kit 2 in 1 pH and Chlorine test kit Includes 1/2-ounces OTO and pre-blended pH, CL range 0.3 - 3.0, blue hinged case Packed 1 kit per Measures 4-inch length by 15-3/4-inch height by 11-inch width