Description
1. Dual gauge can check the pressure in the CO2 cylinder and working pressure, safer and more reliable.
2. High precision built-in safety valve, automatically release pressure when exceeds 100PSI.
3. 12V DC solenoid valve, more stable and safe, consumes less power.
4. CGA320 and W21. 8 two standard threads
5. Bubble counter with built-in check valve
6. App control, auto timer switch(Controller purchased separately)