Amazon.com: Bowden Tube for Ender 3, 1M Blue PTFE 3D Printer Teflon Tubing 1.75mm Filament Creality Bowden Tube for Ender 3 Pro Ender 5 Plus Cr-10 v2 3D Printer, Supplied with Tube
creality ender 3 - What causes my Bowden tube to melt on the side? - 3D Printing Stack Exchange