Quiet and pulsation free, th efive chamber diaphragm pump provides the perfect deck wash solution for both small and medium sized leisure and commercial boats. With a pressure of 5 bar, clean-up is faster and easier than ever before. CE-approved. Whisper quiet operation, self-priming, easy, low cost maintenance, quick-connect hose, inline strainer and trigger nozzle included, long service life. 1/2 NPT/hose 3/4 , GHT 3/4 12volts, 20 amps, 37 psi, 3. 5GPM.