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This cover lets you keep your vent open even in rain or snow so fresh air can move through without worrying about leaks. The wing-shaped louvers on the removable grille keep airflow strong—95 to 100 percent of what’s available—so your fan can run at full power without losing circulation. The design also blocks animals and debris while keeping the air path open.
The Ultra Breeze fully encloses your roof vent to shield it from wind damage while driving. You can leave the vent open on the highway without stressing about the lid flapping or breaking. The 23" long x 19-1/2" wide x 10-1/4" tall cover is aerodynamically shaped to cut through air and stay steady.
The white opaque thermoplastic body keeps sunlight from heating up the space below. It’s strong enough to stand up to the elements and won’t crack easily under UV exposure. The smooth white finish blends in cleanly with most rooftops.
If your vent is screwed onto the roof, installation is simple. The cover attaches through the existing screw holes using the four included mounting brackets and hardware. Just add a bead of caulk and bolt it down—no drilling required. Once the brackets are in place, you can clip the cover on or remove it in seconds for cleaning or maintenance.
This 5-lb vent cover fits all Dometic FanTastic trailer roof vents and other standard or high-powered vents with a 14-1/4" x 14-1/4" roof opening. It comes backed by a 3-year limited warranty for added peace of mind.
Customer Satisfaction Score:
95% were satisfied with this product
5% of customers were not satisfied
Ratings & Reviews
Brooke M.
2/17/2025
Awesome! Thanks for saying so. Means a lot that it actually helps our neighbors like you when we meticulously go through and add all the specs. If there is ever any info not on the page that you think would be helpful, if you let us know, we can add it :)
Yg
2/16/2026
Very nicely! Would buy again.
Chris
1/24/2026
The vent cover turned yellow. I would not buy it again.
Michael H.
7/28/2018
Great! no issues of any kind
Sierra K.
8/25/2021
Thank you for the clarification. This is a universal replacement not an exact model replacement so some modifications may be needed.
Andy B.
12/19/2023
We have traveled over 3000 miles with the vents since their purchase. They look like new and no problems in all those miles of highway wind.
Pat L.
3/8/2022
This is still a great addition to the fantastic fan. I highly recommend it.
Kurt O.
4/10/2023
Vent cover is great, functioning as intended. Provides ample protection of vent even during rain. Also, easy to install.
Problem S.
4/26/2020
After a year they are still wonderful.
George B.
8/15/2021
After a year and 7 months of traveling its holding up to my expectations. Would buy it again.
Skeeter
5/30/2023
Great, no problems. Working as intended & easy to remove & reinstall.
Do you have a question about this RV Vents and Fan?
Condition: Missing Parts
Notes: Item is the cover only, missing everything else. Could make a great replacement.
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Jeff
2/24/2026
I replaced it with a complete Maxxair fan that has a low profile and can operate in the rain.