Suit: for for 3 and for S1C 3D printers,the upgraded PTFE adapter can smooth filament flow and avoids printing errors Anti clogging: The smooth interior and redesigned opening of the 3D printers 8 Feeding Transport Tube Modules prevent filament jams Optimization: The previous version was prone to filament,The upgraded for 3 Filament Pipe Expansion Port makes filament feed pipe installation and use easier PTFE Adapter: Enables connection to eight separate PTFE tubing,for different filaments, the other end links directly to the top of the extruder size of 28.8mm x 65.8mm Specifications:Upgraded version Upgraded Version: The feed port has been optimized with a smooth interior that prevents filament from stuck on the leading edge or internal layer lines, allowing the filament to pass smoothly and avoid printing errors. Product name: for for 3 / for S1C extruder consumables hub Color: Black Material: plastic Package Contents: 1 * Filament Pipe Expansion Port Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.