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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 1.5 meter power cord. 6 month limited warranty (before purchasing this or any regulator, please check out: "aquariumplants.com's own" regulator.)