Red Lion 14942401 Submersible Deep Well Pump, 1/2 Hp, 2 Wire, 110 VoltHighlights: 4" submersible deep well pump Ideal for use in 4" i. d. or larger wells from depths of 100 feet. powered by a 2 wire industry standard vmc motor Hex rubber bearing with extra large surface assures shaft stability and multiple flow channels keep small particles such as sand away from bearing surfaces Built in check valve prevents backflow and ensures system pressure Built in suction screen and 1 1 4" npt thermoplastic discharge head helps