Compatibility: Specifically designed for Bambu P1S, P1P, X1, and X1C models. This Hub allows you to connect up to 4 units to your printer, expanding the capability from 4 to 16 channels.Increased Efficiency: By expanding to multiple units, you enhance the refueling speed and support redundancy, ensuring smoother and more reliable printing operations.Easy Installation: Mount the Hub at the printer's rear, replacing any existing filament buffer. Connect it to the printer using the provided Bambu 4-pin cable and link units sequentially with the 6-pin cables. the PTFE Tube is routed efficiently to minimize feeding resistance.Optimal Setup: Choose the appropriate PTFE tube length based on the and printer placement to avoid unnecessary winding and reduce resistance further.Color: GrayMaterial: ABSPackage Contents:1 * printer line 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.