NCO2-REG-SOLENOID Denne regulatoren passer vanlige co2 flasker også . har standard gjenger som feks er på brann slukknings flasker Passer ikke til Sodastream flasker    Co2 AQUA NOVA GOLD SERIES precision pressure regulator with solenoid valve     This precise Co2 regulator has been designed specifically for the needs of aquaristics.  The regulator has a built-in bubble counter, precision valve, non-return valve, pressure gauge.  The highest quality of workmanship will be ensured by accurate gas dosing and complete tightness of the installation.      Here are its advantages:    Features    - a built-in metal bubble counter. Thanks to the screw-on quick connector, you can easily top up the water in the meter.   - a built-in pressure gauge for measuring cylinder pressure. Output pressure is regulated by using a bubble counter   - the precision valve allows for a very accurate setting of gas dosing   - The built-in solenoid valve cuts off the gas supply in the event of a power failure, this is the protection of the tank in case of our absence. The electric valve also allows you to connect a PH computer or a timer.   - gold color in combination with black co2 cylinders by AQUA NOVA creates the most aesthetic duo   - a key to screw in the set