Amazon.com: Bitspower Hard Tube Silicone Bending for 12mm ID Rigid Tubing : Electronics
EXCOLO PVC Rohr Ø 50 mm B-Ware nur Rohre und Muffen ohne Rohrverbinder Ø 50 mm Winkel Kniestück T-Stück Kappen Fittings (5 x Rohr 1M + Muffe) : Amazon.de: Baumarkt
CMI Inc Galvanized Pipe Fittings | 1/2" Tee 10 PACK | Class 150 | For Malleable Iron Threaded Iron Pipe Fittings | NPT Female (1/2") - - Amazon .com
Amazon.com: Thermaltake 16 mm Pacific C-PRO G1/4 PETG Tube OD Compression - Black (Pack of 6) : Electronics