ISTA 2-IN-1 Metal Bubble Counter & Check Valve

For metal CO2/Air flow controller 6 ways, 3 ways and controller.

Made of durable material assures long usage time.

2 functions in 1 product, CO2 bubble counter and check valve.

Stainless steel check valve effectively prevents water backflow.

Recommend to use ISTA CO2 Cylinders, Controllers and Ceramic Diffuser.

Other related products include ISTA Cylinder Supporting Base.