The Replacement Fan Motor Assembly Kit for Fan-Tastic Vent Roof Vent Fans # FVK8017-00 will work as a direct replacement for your Create A Breeze 3-speed fan. I've attached a photo with the measurements to give you the exact dimensions in case you desire them.
The MaxxAir Standard RV and Trailer Roof Vent Cover - 19" x 18-1/2" x 9-1/2" - Black # MA00-933069 will work well. You will need to install the brackets to the side of your vent with the included screws. You will need to do a... view full answer...