This Cold Water Gas Pressure Washer has a revolutionary aircraft grade aluminum frame with dual handles, easy access single bolt interlocking belt cover, single bolt engine adjustable belt tension, and a 50 mesh inlet filter. It also has an adjustable pressure unloader, low oil shutdown, pneumatic tires, dual padded shock absorbing feet, 3/4″ cold-rolled steel threaded axle, a Thermo-sensor (prevents overheating in bypass mode) and commercial/industrial grade engines.