Geberit Mepla transition with union nut to shut-off valve 20 mm x 1 ½ inch : Amazon.de: DIY & Tools
NTA G20 G-Contour Compression Jaw for 20 mm, Press Jaw Insert Suitable for HPZ Hand Crimping Pliers and WUP Interchangeable Jaw for Geberit Mepla Fittings : Amazon.de: DIY & Tools