Gardena Sprinkler System Water Plug with 3/4 inch external thread: Water intake of the pipeline system, integrated stop valve, removable dirt filter, underground installation (08266-20)Simple water extraction: By installing a Pipeline oscillating sprinkler, Pipeline garden water tap or hose, the water can conveniently be extracted from the underground system Stop valve: As soon as the hose from the system connection is removed, the water flow stops immediately. Thus there is no loss of water Smart design: An extra wide edge as well as a removable dirt filter prevent the entry of grass and other dirt particles Innovative and safe: