Smooth vibration free quiet 5 chamber diaphragm pump design with heavy-duty ball bearings in a sealed housing. Most compact motor, delivering highest PSI in the wash down pump category. Self priming pump with integrated pressure switch. Thermal overload & ignition protection will shut down operation before damaging the pump due to overheating also ensuring safe use. PUMP protector inlet strainer, spray pistol, Qwick Release spray pistol hose connector and NPT/BSP hose connectionsUp to 70 PSI at the spray pistol nozzle with proper hoseQuiet smooth operation