Hanna Replacement Test Reagent Vial Cap Pufferfish Helps confirm proper feed pressure

Helps confirm proper feed pressure before the RO membrane

Remove uneaten pellets and avoid overfeeding

It is especially useful when a system needs to run small aquarium devices such as ATO pumps

attempt to clear the intake

Hanna Replacement Test Reagent Vial Cap Pufferfish Helps confirm proper feed pressureHanna Replacement Test Reagent Vial Cap The Hanna Replacement Test Reagent Vial Cap is a single replacement cap for compatible Hanna glass cuvettes used with Checker HC colorimeters. It is useful for replacing a lost, cracked, stained, or worn cap without replacing the full cuvette set. Single Hanna Checker Cuvette Cap Replacement cap for Hanna HI731321 style glass cuvettes. Compatible with Hanna HI7XX Checker HC colorimeters that use these cuvettes.