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The MaxxAir II Vent Cover lets you open and run your roof vent even when it’s pouring rain. Its angled louvers let smoke, heat, and odors escape while blocking rainwater and debris from getting inside. You can keep your vent fan running to clear the air or cool things down without worrying about weather changes.
This cover moves air better than most. The vent area is twice the size of standard covers, so more air gets in and out. The side vents also create cross-ventilation that helps push out heat buildup and stale air fast. Whether you’re cooking, showering, or cooling off your space, you get solid airflow without having to remove the cover.
Made from durable, high-density polyethylene, the MaxxAir II is built to last. It’s UV-resistant, so it won’t crack or fade from long days in the sun. The sturdy shell shields your vent from hail, falling branches, and road debris, keeping your roof vent safe through years of travel and weather exposure.
Four EZClip pins hold the cover in place and act like a hinge when you pop one side free. That means you can easily open or remove the cover to clean the vent or check the sealant underneath. When you’re done, slide the pins back in and lock them tight—no tools needed.
If your vent has molded mounting tabs, this cover installs with no drilling at all. Just slide the EZClip pins through the tabs and lock them in place. For older MaxxFan models or other standard 14" x 14" roof vents, the included brackets and stainless-steel hardware make it easy to bolt on securely. The translucent white finish blends in cleanly on the roof and still lets in light.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Kate F.
12/10/2025
The new cover looks great Don! One of these days they will come up with a cover where a lid can fully open, tends to be the case with all the covers. I hope you have a wonderful Holiday Season filled with all your favorite people =)
Eric
1/19/2026
I have been very pleased with the MaxxAir II vent covers. Recently we endured a heavy rainstorm. 3.25 inches in a 24 hour period. Not a of water entered our trailer with the vents open.
Lazer S.
9/23/2025
Thanks for the picture, Anna! What did you install this on?
Lazer S.
9/24/2025
James
12/9/2025
I did order a black unit to block more light. Nothing wrong with the white unit, just lets a lot of light in
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Christopher H.
10/1/2026
Looks great Jeff and this was a simple swap! Appreciate you including the photos.