Gardena Hose Connector Set 13 mm (3/4 inch) and 15 mm (5/8 inch): For the beginning and end of the hose

Gardena Two-Way Hose Coupling Set for 13 mm (1/2 inch) - and 15 mm (5/8 inch) - Water Hoses: Waterproof Branch connectors for a Simple Water Division (18287-20)

Gardena Coupling Set: Hose Coupling for Hose Extension 13 mm (1/2 inch) and 15 mm (5/8 inch), Works with high Water Pressure, Easy Installation (18283-20)

Gardena Hose Connector 13 mm (1/2 inch) and 15 mm (5/8 inch): Connectors for The Hose Start, Grip Wells, Easy Installation, Packed (18215-20)