Twin Gauge CO2 Controller + Bubble Counter & Check Value
- Equipped with German-made solenoid with safety valve, assure quality, silence and safety.
- Precision needle valve provides stable and accurate CO2 output.
- Made with stainless steel, anti-rust.
- Hand air-tighten design, no tool required.
- Dual gauge indicators show different pressure volume, one indicate the pressure inside the bottle, and the other one shows the depressurize power.