Bambu Lab P1P AMS A1 mini 3D Printer PTFE Tube Teflonto Pipe Bowden Extruder 1.75mm ID2.5mm OD4mm Bambulab Filament Parts

The role of PTFE tube is to reduce resistance and guide filament. The inner diameter of the pipe is 2.5 mm and the outer diameter is 4mm. Please note that the PTFE tube is a consumable and has a risk of wear. It is recommended to check the PTFE tube regularly for wear and replace it in time if necessary.