See page from catalog (PDF)
Kit K-7004 comes in a plastic case and contains everything needed to perform 30 tests: Refill, Comparator, 25 mL sample cup, and instructions.
Shelf life: The refill and comparator contained in this kit have shelf lives of 12 months.
$71.01
Catalog No. R-7002
Catalog No. C-7004
Catalog No. A-0013