OEMTOOLS 24503 Multipurpose Drill Powered Pump, Orange Delivery Rate: Without the Inlet Filter, Delivery Around 550-650 Gallons/Hour Delivery Pressure: Approximately 28psi Maximum Inlet Head: Up to 2 Meters (6 feet) Vertically Maximum Pumping Head (Outlet): Up to 15 Meters (50 feet) Max RPM: 3000