Amazon.com : Gardena 39022-G Premium Metal Watering Accessory Adapter, For Adapting Watering Accessories to the Original Gardena System : Garden Hose Parts : Patio, Lawn & Garden
Amazon.com : Gardena Profi System (Maxi Flow) - Tap Adapter (1/2'') Tap : Patio, Lawn & Garden
Amazon.com : Gardena 5/8 & 1/2 in. Nylon/ABS Threaded Female Hose Adapter (Pack of 3) : Patio, Lawn & Garden