The PS60843 Pressure washer has a peak performance of 4 GPM & 4400 PSI with a Simpson engine and a AAA pump. The 20 inch surface cleaner is a standard size for walkways, driveways and other flat surfaces. This setup comes with a trigger gun and wand to connect to the pressure washer hose. The pressure washer hose is 50 ft. Also attached is a ball valve for quick and easy transfers from the wand to the surface cleaner.