The R-2500 CHEMets ampoules are a refill for K-2504, K-2504A, K-2504B, K-2504C, and K-2504D chlorine test kits.
When purchased with A-0171 it is also a refill for K-5808 and K-5816 chlorine dioxide test kits.
It contains 30 self-filling CHEMets ampoules packaged securely in cardboard trays and box.
Notice: Due to a recent change R-2509, R-2504, and R-5808 are no longer available. Direct equivalents are:
$32.16
See kit instructions