Johnson Pumps JPI-101339903 10-13399-03 Aqua Jet Wash Down Pump, 3.5GPM 12V . As a wash down pump, the Aqua Jet offers much higher pressures that competitive models, making clean-up faster and easier than ever before. Complete with triggle nozzle, PUMProtector inlet srtrainer and hose connections for 1/2 in. hose. Both BSP and NPT connection included in package.