Checkit Comparator Ozone Dpd 0-1 Mg/L. In Presece Of Chlorine, Ea/1

Lovibond Test Kit Aluminum AC Test Kit Together with the CHECKIT Comparator, each test kit includes CHECKITDiscs, cells, stirring rod and Lovibond reagents (for 30 tests) for the desired test. The test kits are supplied in a sturdy and handy plastic cas (1 per EA)