Check the listing for details. USA SELLER NOBLE 100 CHLORINE SANITIZER TEST STRIPS 2" FREE SHIPPING USA ONLY. Condition: New. Listed at 7.95 USD. FREE SHIPPING US ONLY NEW NEW NEW 100 Noble Chlorine Test Strips Ensure your solutions are safe for use with these Noble Chemical CM-240 chlorine test strips!Noble Chemical CM-240 chlorine test strips are the simple, reliable, and economical way to measure the concentration of free available chlorine in sanitizing solutions. Each strip measures concentrations between 10-200ppm (parts per million), with color matches at 10, 50, 100 and 200ppm. Easy-to-Read Color ChartEach strip measures concentrations between 10-200ppm (parts per million), with color matches at 10, 50, 100 and 200ppm. The distinct color chart and accurate, reproducible readings give an immediate response for quick and easy use.Meets RequirementsFederal, state, and local health regulations require users of chlorine-based sanitizer solutions to have appropriate test kits available to verify the strength of sanitizer solutions. This kit meets those requirements.Easy to UseThe distinct color match at each full unit makes it easy for the user to detect exhaustion of solutions that should be replaced. It also helps avoid the use of excessive amounts of sanitizing agents, to avoid wasting product! Simply remove a strip from the vial, dip the strip into the sanitizing solution, blot with paper towel, then instantly compare the resulting color with the color chart.AccurateSanitizer solutions are essential in the food service industry. These strips ensure that those sanitizers are at the proper concentration. For accurate results, store these test strips away from areas with high humidity or where they may be exposed to water before use, as those conditions may compromise results. GREAT FOR HOME, ESPRESSO SHOPS, BARS & RESTAURANTS