From Tooled Up
Gardena MICRO DRIP L Joint Pipe Connector (New) 1/2" / 12.5mm Pack of 2
Conrad Electronic
GARDENA Micro-Drip-System L-piece 13 mm (1/2) Ø 13202-20
OnBuy
Micro-Drip-System L-Piece 13 mm (1/2 inch): Pipe connector for changing the direction of the 13 mm connecting pipe, tool-free assembly, reusable