CL203 are ExTab Chlorine Reagent tablets (10pk-100 tests) for the Extech CL200 Chlorine Meter. Foil packaging provides very stable environment with long shelf life. No messy powder reagents for hassle free calibration of your Extech meter.
Includes 10 packs (10 tablets ea.)
Requires 1 tablet per test - enough for 100 tests
Foil packaging provides very stable environment with long shelf life