Active Chamber Exhaust. The Active Chamber Exhaust is installed on the right inner liner of the printer, with the Chamber Exhaust Fan mounted on its inner side.
The Active Chamber Exhaust is installed on the right inner liner of the printer, with the Chamber Exhaust Fan mounted on its inner side. It works with the Chamber Exhaust Fan to expel air when open and seal the chamber when closed.
Installation
Learn more about the Active Chamber Exhaust on Bambu Lab Wiki.