Fits fine on unit - should have flanges on top
Your review: On the AC unit we bought, one circular port is intake, one is exhaust. Apparently the exhaust should be connected to the port that has the angled vent on the top. This is not clear from the documentation. It would be nice to be able to attach one of the ducts to the top of the unit to actually direct the exhaust farther away in the ceiling space, and leave the other one open (there is no "plug" included to close it if we wanted to) for intake purposes.