Compression Fitting for Copper Pipe, Diameter 15 - 28 mm, Transition to External Thread 3/8 - 1 Inch, Choice of Size, Diameter 22 mm x 1/2 Inch : Amazon.de: DIY & Tools
DN32 (1¼″) FlexEJ compression fittings for 35 mm copper pipe - 4 pack | 24hr Shipping | FlexEJ Direct
Copper Pipe Brass Compression Fittings Straight Tap Connector - China Compression Fitting, Brass Compression Fitting | Made-in-China.com