Aqua Jet WPS 5.2 – 12VQuiet and pulsation-free even at low speeds, the Aqua Jet five-chamber diaphragm pump provides the perfect water pressure solution for both small and medium sized leisure and commercial boats.FeaturesWhisper quiet operationFive-chamber constructionSelf-primingEasy, low cost maintenanceQuick-connect hose or threaded connectors availablePressure switch standardLong service life