Water Pressure System, 3.5 GPM

12 V DC; Quiet operation; Smooth flowing; Self priming; Integrated pressure switch turns pump on and off automatically when spray nozzle is opened and closed; Can be run dry without damage; Low power consumption; Quick disconnect fittings; 3 year warranty; Connection: 3/8" BSP, 1/2" hose and, 1/2" BSP, 3/4" hose or US 3/8" NPT, 1/2" hose and US 1/2" NPT, 3/4" hose. US 1/2" - 14 NPS