SR Aquaristik In-Line CO2 Bubble Counter

SR Aquaristik In-Line CO2 Bubble CounterHelps protect solenoid valve or regulator from backflowCan be used with water or glycerin to count the quantity of CO2Easy to setup and useFits on standard CO2 hoseThe SR Aquaristik inline CO2 bubble counter is ideal for helping regulate or see the amount of CO2 exiting regulators, solenoid valves or splitters. Made from aluminum and cast acrylic for durability and longevity.