Industrial Test Systems 480022 WaterWorks Free Chlorine HR Test 1 industrial heavy duty X-weight polyester cloth

heavy duty X-weight polyester cloth backing

Safety protection

For all the carpentry DIYers out there

Retevis RT21

Industrial Test Systems 480022 WaterWorks Free Chlorine HR Test 1 industrial heavy duty X-weight polyester clothIndustrial Test Systems 480022 WaterWorks Free Chlorine HR Test Direct from the Manufacturer USA WATERWORKS FREE CHLORINE HIGH CONTAINS 1 BOTTLE OF 50 TESTS MEASURING THE AMOUNT OF FREE CHLORINE. Using our patented test strip, which doesnt bleach out, you are able to test for safe sanitizer levels. Without the need for any other reagents, you are able to take this product right onto the shop floor! This product DOES NOT need the eXact iDip to read