I don't think this fans vented according to manufacturer specs

[mmclean3 (Mark McLean)]

[akincade (Austin Kincade)]

That’s just the new way to install a vent. It saves a lot of money.

[dhorton2 (Daniel Horton, CMI®)]

Its called a re-circulating vent! (for the dust)

[sfetty (Dave Fetty, CMI)]

You are correct.

[mmclean3 (Mark McLean)]

it’s funny the stuff you see when you aren’t looking.

[ryoung7 (ROBERT YOUNG, CMI)]

Moreover, ceiling fan installed on a wall and not mounted in the middle of the room, at least 7 feet above the floor and 18" inches from the walls.

[lhenderson2 (Lon Henderson, CMI)]

You can get a sense of how much crap is in our air when you look at the bathroom vent fans.

[kleonard (Kevin Leonard, CPI/CMI)]

This should be in the WTF thread. WTF Picture of the Day - General Inspection Topics - InterNACHI®️ Forum

I do like the fact that they put the power wire in conduit though.
Got give credit where credits due.

[rlewis5 (Roy Lewis, CERTIFIED MASTER INSPECTOR RETIRED)]

Where was it located?

[mmclean3 (Mark McLean)]

in the bathroom of a place that sells building supplies of all things