. Max working pressure: 3400psi . Rating pressure:3200psi .Max flow:4.0GPM . Pformance-approved OHV engine . Engine with low oil protection . Commercial grade direct drive brass manifoldtriplex pump . 10m high-pressure hose . Quick connect nozzles 0 , 15 , 25 , 40 and chemical spray tip . Pressure adjustable . Low pressure detergent injector . Professional trigger gun with saftylock . 14 inch pneumatic wheels . Power coating heavy-duty frame . In-line water filter . Convenient hose and gun hook . Frame with cutouts for easy change pump and engine oil . Thermal relief valve Optionals . Transparent cup type water filter . Snap-on brass or plastic garden hose fitting . Variable lance . Turbo nozzle . Coating ceramic plunger . Pressure gauge