Karcher’s 1600 PSI K2 pressure washer with Car & Home Kit makes quick work of cleaning the car or large surface areas. Make your car shine with the foaming nozzle and soft bristle brush, or switch to the surface cleaner for that larger deck task. The Vario spray wand allows for quick adjustment between low and high pressure without the need to switch nozzles. For stubborn stains, the patented Dirtblasterspray wand will clean up the toughest chores. Interior Hose Diameter- .25 inches. Maximum temperature: 180 degree Fahrenheit.