Gardena Twin-Tap Connector: Connects two devices to the tap, can be used with Gardena water computers and timers, water flow can be regulated or switched off (8193-20) : Amazon.co.uk: Garden
Gardena Twin-Tap Connector: Water distributor for taps with 26.5 mm (G 3/4 inch) threads for connecting two devices at the same time, both outlets adjustable (938-20) : Amazon.co.uk: Garden
BLOSTM Garden Tap Splitter 2 Way Brass Outdoor Dual Hose Connector Anti-Leak | eBay
Gardena 8193-20 Twin Tap Connector : Amazon.co.uk: Garden
Claber Dual Metal Tap Connector - 9602 — Easy Garden Irrigation