This product is a refill for K-6904 Nitrate CHEMets Visual Kit for the analysis of nitrate in water.
It contains 30 self-filling CHEMets ampoules and 30 cadmium foil packs packaged securely in cardboard trays and box.
R-6902 Nitrate CHEMets Refill is compatible with C-6904 Nitrate Comparator.
Shelf life: 12 months
$56.54