This self-priming diaphragm pump includes a built-in hydraulic pulsation dampener, will produce a dry prime suction lift of 7' and uses corrosion resistant materials throughout. OK to run dry. Permanent magnet type motor. Complies with USCG Electrical Standards 183.410 and ISO 8846 marine for ignition protection on gasoline powered vessels. NMMA type accepted. Includes Pumpgard(TM) strainer. GPM 4.5 Ports 3/4" Volts 12 Amps 7.5