neven.nikic6 years ago+1+10And which is the right handpiece for expansion? "Hanhstück 901" did not help me ...Show in original language (German)GlasigerPianolph366 years ago • purchased this product000purchased this productSearch for Gardena hose connector. The connection on the side of the circular sprinkler is standardised and will also fit a coupling from e.g. the Landi. On the supply line side, you need to know the diameter of your hose, e.g. 15 mm.Show in original language (German)Comment