With the Karcher OC 3 Adventure Box you can easily clean your equipment after activities. This extension set for the Karcher OC 3 contains a universal brush and a suction hose. The universal brush fits on the high pressure gun, so that you can easily remove stubborn dirt. With the suction hose you suck water from other sources, such as a pond or water reservoir. After use you simply attach the Adventure Box under the OC 3 cleaner, so that you can easily transport it.