Pump with innovative engineering and compact design provides the most reliable aeration in contained spaces such as livewell Powerful, 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 the most advanced materials, including 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 Motor cartridge locks for secure placement, and unlocks for easy cleaning, maintenance, and replacementview less