●Innovative engineering and compact design to provide the most reliable bilge pumping performance ●Powerful and reliable pump is rated for 500 gallons per hour (gph) output at design voltage 13.6 volts DC, or 450 gph at nominal voltage of 12 volts DC ●Features premium-quality bearings and state-of-the-art brushes, alloys, and magnets ●Patented shaft seal prevents leaks caused by misalignment, caulked and tinned wiring eliminates wicking, prevents water damage, and resists corrosion ●12-volt pump has a barbed ¾-inch outlet and is connected with 29-inch wire