The Bambu Lab AMS 2 Pro Internal Hub Unit is a genuine replacement part for your AMS 2 Pro from Bambu Lab. This internal hub selects specific filaments in the AMS 2 Pro and ensures that these filaments are sent from the AMS to the 3D printer. It detects filament and measures the speed of the filament being transported to the 3D printer.
Please note: keep the screws from your original AMS 2 Pro to use for this replacement part.