Rule PWC500 Automatic 12v Removes water from engine compartment. Compact design allows it to fit in tight spaces. Easy installation. Equipped with gasoline resistant strainer base and 72 inch wire leads. Gallons Per Hour: 500. Gallons Per Minute: None. Operation: Automatic. Outlet Size: 3/4 inch. Power - Max Continuous (Amps): None. Rule Pwc500 Automatic Pwc Pump 12V. Volts: 12V.