SHURflo Automatic Demand Pumps. Model 2088-514-145 "Premuim Pump with Splash Proof SHURcoated Motor", 12vDC, 9.0 max amps, 3.6gpm open flow, max 40psi. Diaphragm pump that can deliver up to 3.6gpm open flow from a DC battery pack.(Self priming to 12 feet vertical head). These pumps are ideal for cabin, watering projects, or small home system. Feature 45psi demand switch. More info... Shurflo-Solar_2088.pdf