Universal hose coupling with Aqua Stop. Ergonomic design for comfortable handling. Connecting, decoupling and repairing made easy – with the practical and ergonomic Kärcher universal hose coupling with Aqua Stop. The flexible plug system considerably simplifies the watering of small and large gardens and surfaces. Because functioning tap connectors and hose couplings are the basis of every good watering system. The universal hose coupling is compatible with the three most popular hose diameters and all available click systems.