For 19 mm (3/4") hoses. The connection at the end of the hose. More comfortable handling. New user-friendly form of the clamping nut. Better connection to the hose. Uncoupling = water stops automatically; plugging together = water free. Saves the need to go to the tap when changing equipment.
40785554, GARDENA, 18214-50, Plug connector, aquastop-3/4, water stop-3/4