GARDENA tap connector 26.5 mm (G 3/4 inch): Adapter for connecting a water hose, anti-splash technology, frost-proof, Original System, packed loose (18221-20) : Amazon.co.uk: Garden
Gardena 13mm hose connector for fitting to 19mm 3/4" hose 18216-20
Adapter for Gardena Systems / female only 3,95 € | SVB