See page from catalog (PDF)
Kit K-2810 comes in a plastic case and contains everything needed to perform 30 tests: Refill, Low and High Range Comparators, Acidifier Solution, 25 mL Sample cup, and instructions.
Catalog No. R-2810
Catalog No. C-2801
Catalog No. C-2810
Catalog No. A-2800
Catalog No. A-0013