ISTA 2 in 1 Metal Bubble Counter & Check Valve
- 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 back flow.
- Metal and durable material allows longer operation life.
- Contains CO2 bubble counter and check valve.
- Stainless steel spring check valve effectively prevents backflow.
- For Metal CO2/Air Flow Regulator- 6ways, 3ways,or controller.