BIQU Panda Jet Cooling Fan Duct for Bambu Lab X1/P1 Series

Panda Jet is an omnidirectional cooling fan duct made from MJF nylon. It features high-temperature resistance, strength, and corrosion resistance. Its design improves bridging and overhangs while keeping the print view clear. This duct is compatible with the Bambu Lab P1/X1 series. 

You can find more information, such as installation instructions here: Panda Jet Wiki