Checkit Comparator Zinc Lr 0 - 1 Mg/L, Ea/1

Lovibond Test Kit Nitrite Low Range 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 pl (1 per EA)