We had two reviews. The first, 5 stars on June 9. Its below.

It did a perfect job, looking good and so far not taking over by Squirrels

The second was same date, June 9. 2 stars. Its below

Going to return, because I don’t know how to install

We find this one confusing. There are videos on the Home Depot Critter Quitter page that show how to measure the vent, how to cut it to match roof pitch, and how to install. There are also instructions sent with each order. Its really quite easy, almost self explanatory.