Enjoy simple and accurate control of your CO2 injection with the 2-in-1 Metal Bubble Counter and Check Valve by Ista. Constructed from metal, it offers fantastic durability and a long operational life.
This Bubble Counter includes a stainless steel spring check valve, ensuring that backflow is prevented, and is to be used as a replacement in the Ista regulators! 0.75" dia. x 3.5" H