High Range Nitrite Kit K-7004B comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): Refill, Comparator, dilutor snapper cup, micro test tube, and instructions.
Shelf life: The refill and comparator contained in this kit have shelf lives of 12 months.
Analysis Time: 10 minutes
50 or more $67.91
100 or more $64.14
200 or more $60.37