The difference is in the details. In addition to its powerful stance and tangle-free hose, this responsive pressure washer features JettFlow™ water pressure-sensing technology, assuring you of the perfect amount of pressure delivery right when you need it. Brushless motor technology provides added torque for extra tenacity. PWMA Pressure Washers have guaranteed trusted performance. PWMA (Pressure Washer Manufacturers' Association) was developed in 1997 to set standards for testing for pressure washers made for household, consumer, commercial or farm use.