High volume pump that is hardly noticeable. The large vibration absorbing feet make this 480GPH pump incredibly quiet. Ideal for evacuating water from the bilge, deep keel sumps, shower drain sumps or other hard to reach areas, this diaphragm pump features permanently lubricated bearings and corrosion resistant materials for a long service life. The diaphragm allows the pump to run dry without damage. Key Features Self-priming up to 7.8' Large vibration absorbing mounting feet for quiet operation 8 GPH capacity Ideal for keel sumps, shower drains and hard to reach areas Can run dry without damage Meets USCG 183.410 and ISO 8846 Marine for ignition protection requirementsOwner's Manual