Featuring Blue-White's Exclusive Heavy Duty Cartridge Valve Head. SpecificationGPH (gallon per hour): 1 GPD (gallons per day): 24.7Voltage: 220The revolutionary design of this pump head begins with BULLET Cartridge Valves constructed of tough PVDF Plastic. Each Valve has two Ceramic Ball Checks and, is double sealed with high grade Aflas O-rings. The double ball valve pump head design ensures enhanced priming capabilities, and it is exceptional for purging air and gas. When you need a Tough, Accurate, Dependable Metering Injector insist on CHEM-FEED. CHEM-FEED injectors combine high-quality materials of construction and pride-of-workmanship, with flexibility and value.Because we manufacture most of the components in our own plant, including the all ball bearing gear motor, we can offer CHEM-FEED metering injectors with any number of configuration, material, voltage and output rate options. We invite you to compare CHEM-FEED metering injectors with those of other manufacturers. You'll findCHEM-FEED Injectors are tops in benefits and value.BENEFITSDurable efficient pump headsAll ball bearing gear motor plus permanent lubricationQuick Adjusting Output MechanismsEfficient, Dependable DesignEach Unit Factory TestedField ServiceableBacked by an excellent limited warranty