Includes flow regulator, needle valve, electronic solenoid & bubble counter. Unit comes with dual gauges each with dual reading of both psi & kg/cm. Left gauge meters tank capacity and right gauge meters flow. Needle valve flow control provides for precise measurement.
The solenoid valve comes with a 6ft./1.5 meter power cord. (CO2 bottle is not included)
Recommended best if used with our MC122 pH Controller.