Chlorine Water Quality Test Kit, Chlorine, Range 0.2 to 3.0 ppm, Sensitivity 0.2 ppm, Test System Colorimetric, Number of Tests 50, Replacement Reagents 4EWC9 and 4EWD1, Standards Not Applicable, Includes (2) Plastic Test Tubes with Caps, (50) #1 Chlorine Tablets, (50) #3 Chlorine Tablets, Instructions, Octa-Slide Viewer with Slide Bar. This item has been restricted from sale in the following state (s): []