Johnson Pump 64535 Aqua Jet Wash Down 3.5 GPM Pump Kit. Kit includes a high capacity Aqua Jet Wash Down 3.5 GPM pump (12V, 5 bar (70 psi)), PUMProtector inlet strainer, spray nozzle, 25' of coiled wash down hose, hose connectors, barb port fittings, and a 2-way panel switch. Pump features whisper quiet operation, five-chamber construction, quick-connect hose, and integrated pressure switch. It is smooth flowing, self-priming and designed for long service life.