Shurflo 4138-111-E65 AquaKing Standard 12v fresh water diaphragm pump 11 lpm 3.8 bar (55 psi)Shurflo 4138 111 E65 AquaKing Standard 12v fresh water diaphragm pump 11 lpm 3. 8 bar (55 psi) Automatic demand pump that is quiet, self priming and can run dry without damage Sealed switch Ignition protected Thermally protected 2 x 15 mm (1 2 inch) hose barb fittings are included with the box Features: Ignition protected, thermally protected Run dry capability Quiet performance Sealed switch adjustable pressure switch Self priming up to 6 feet Co