The tap adaptor is ideal for threadless taps with an outer diameter between 15 and 20 mm. Compatible with all click systems. The robust threadless tap adaptor is used for attaching hoses with connectors to threadless taps. Thanks to the reducer, outer diameters of between 15 and 20 mm are neatly covered. They can be installed without tools simply by attaching the wing screw to the stainless steel hose clamp. Compatible with all click systems.