Integrated crane connections, hose connections and hoses form the basis for an efficient irrigation system. For this, Kärcher complements a series of accessories to connect, unload and repair the systems. For example, connecting two pipes to connect two hoses with precision. The coupling of the two is used to form universal universal living environments for the garden and the convenience of robust and ergonomic ergonomics for a variety of maneuvers. The coupling of the two is compatible with the three dimensions of many other municipalities and two of the available coupling systems.