Ryobi 1+ fan in trailer

For those of you who HAVE mounted this fan in your horse compartment, where did you put it/how did you secure it?
My thought is hang it on two hooks screwed or bolted into front wall above/in front of horse.
Details: two horse SL, solid wall in front, two escape doors with bus windows, total of 4 vents overhead in roof. Bus windows on side. Ramp with upper bus windows that fold back for loading CANNOT TOW WITH BACK WINDOWS FOLDED OPEN. (Hinge failed last year and pulled latch off side of trailer. Bad design…. )
Bus windows do not give enough airflow.

Thanks

What does the back look like? I’m thinking a way to clip it on at the two back sides somehow so you can take it down when you want?

It has a single hook. I worry about it falling off that while going down the road. It has 4 holes for bolts/screws.