18.9 L/min 5.0 Gpm 60 Psi 12v Water Diaphragm Pressure Pump for Marine, Boat, Rv, Caravan* The balanced motor design incorporates precision ball bearings for long life, motor is equipped with an integral thermal breaker. * All marine duty pumps have sealed switches and are finished with a Electro Coating to inhibit corrosion. * Marine duty fresh ..