The PTFE Tube on the H2D Printer is used to connect the buffer to the toolhead (both left and right feeder inlets). It helps guide and deliver the filament from the buffer to the toolhead for extrusion during the printing process. Compatibility H2D and H2D Laser Installation Learn more about PTFE Tube on H2D Printer on Bambu Lab Wiki. Includes 2x PTFE Tube on H2D Printer 4x Cable Chain Clip Silicone Plug Browse more Browse all Bambu Lab H2D Browse all Bambu Lab A1 Mini Printer spare parts & Accessories Browse all Bambu Lab AMS Lite Browse all Bambu Lab A1 Mini 3D Printer, Spare Parts & Accessories Browse all Bambu Lab Filament Browse all Bambu Lab X1 3D Printer, Spare Parts & Accessories Browse all Bambu Lab P1P/P1PS 3D Printer, Spare Parts & Accessories Browse all Bambu AMS Spare Parts & Accessories Browse all Bambu Labs Browse all Printer Spare Parts