Product review (5 stars): Using these to better circulate fresh air in the garage
Exactly as expected and. works perfectly.
Using these to better circulate fresh air in the garage, and also as an exhaust for a portable AC unit.

 There are a few variations to these types of products:::

Some friendly advice - Read and understand what these can be used for, and what not to use them for. Also there are models with different types of divertors.