3D Printer Bowden PTFE Tubing For 1.75mm Filament PC4-M6 PC4-M10 Pneumatic Fittings For Creality Ender 3/3 Pro/5/CR-10/10S
https://www.vogueparade.com/shopping/EN/150412/1/1005003423290283/3d-printer-bowden-ptfe-tubing-for-175mm-filament-pc4-m6-pc4-m10-pneumatic-fittings-for-creality-ender-33-pro5cr-1010s//