Ista – 2 in 1 Metal Bubble Counter & Check Valve
The Ista – 2 in 1 Metal Bubble Counter & Check Valve is made for metal CO2/Air flow controller 6 ways, 3 ways and controller. Its heavy, solid and a good build quality.
It should fit 95% of the regulators out there as it has the standard thread.
Made of durable material assures long usage time. Stainless steel check valve effectively prevents water backflow. 2 functions in 1 product, CO2 bubble counter and check valve.