Xiaomi Air Filter to 3D Printer Fume Hose Adaptor

Works with all Xiaomi air filters (outer Ø 200 mm) and 80 mm vent hoods.
 

I sealed the adaptor–hose joint with butyl tape (a bit extra 😅), but regular double-sided tape works fine too.
 

Note: most setups pull air from the side and exhaust upward, but this one is reverse flow — air enters through the center and exits from the side. The side exhaust feels gentle because the outlet area is large