Mechanical vent

Home Was recently built last year.
basement has a bath area that was not finished.
Basement plumbing was not tired into the rest of the house
Now the owner wants to finish the basement, however because of the location of the vent line it would have to be removed and reinstalled to switch a 90 to a Tee.

The owner wants to install a mechanical vent in the basement instead

Does anyone have experience with these or concerns about there use?

Here are two recent threads about AAV’s (i.e. mechanical vents).

What information are you looking for?