Please see here for the complete file package: https://www.printables.com/model/632833-range-hood-window-exhaust
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This is an adaptor to mate a 6 inch air duct to the window exhaust vent here: https://www.amazon.com/dp/B0BV68L8DY.
I printed this using the PrusaSlicer preset for a huge 0.8mm nozzle with 0.4mm layer height, using Overture PLA+. No issues aside from the very obvious seams.
The author marked this model as their own original creation.