Master Plumber, 4/10 HP, Thermoplastic, Automatic Submersible Sewage Ejector Pump, Corrosion Resistant, Piggyback Style Tethered Float Switch For Automatic Or Manual Operation, Handles Up To 2" Solids, 8' Power Cord, Performance: GPH 0' = 5,250, 5' = 3,900, 10' = 2,550, 15' = 950, Maximum Lift 18', Energy Efficient 8.5A Motor With Overload Protection Provides Safe Operation, Easy Installation, Requires Minimum 18" Diameter Sewage Basin, 2" NPT Discharge, 1 Year Warranty.