Low Range Comparator: 0, 0.1, 0.2, 0.3, 0.4, 0.6, 0.8, 1.0ppm
High Range Comparator:1,2,3,4,5,6,7,8,10ppm
Kit comes in a plastic case and contains everything needed to perform 30 tests: Refill, Low and High Range Comparators, 25 mL sample cup, instructions, and MSDS