Orion New RV Marine 12V DC 4.3L/Min 35 PSI Fresh Water Diaphragm Self Priming Pump 2 Chamber positive displacement diaphragm pump, self priming, capable of being run dry 1.2 GPM Inlet/Outlet Ports: 3/8 Hose Barb www.SEAFLO.us Built-in pressure switch automatically starts and stops pump when faucet is opened and closed