Palintest Comparator Kit Hydrogen Peroxide LR 0 - 1 mg/L H2O2Simple to use, and with a wide range of kit options, the Contour Comparator offers an excellent solution to visual testing requirements. Compact size with grip feature for ease of handling Range: Hydrogen Peroxide LR 0 1 mg L H2O2 Kit includes: Contour Comparator, Contour disk with instructions, 3 cuvettes, cuvette brush, crush stir rod, reagents for 30 tests, supplied in a hard case Sku: CKH1104