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This roof vent keeps air circulating so interiors don’t get stuffy. The hand-operated crank opens and closes the dome easily from inside, letting in fresh air or releasing heat without needing any power or wiring. It’s simple and reliable, perfect when you just want airflow without adding electrical parts.
The mill-finish metal lid and galvanized steel roof flange stand up to weather, wind, and UV exposure without rusting or corroding. When closed, the vent sits only about 2" high for a low-profile look that doesn’t add bulk on the roof. Open it fully and you get around 11-1/4" of height for maximum ventilation.
This vent drops right into a 14-1/4" x 14-1/4" roof opening, the standard size for most trailer vents. It includes a polar white interior trim piece that fits roofs 1-7/8" to 3" thick, with a 2-1/8" garnish depth. The screen snaps out for easy cleaning, and if you need a different trim depth, other garnish sizes are available separately.
Mounting only takes basic tools. Apply sealant under the flange, align it between roof joists, and secure it with #8 screws. Screws and sealer aren’t included, but the Installation Kit #344270KITW has everything you need to complete a watertight setup. Once bolted down, the vent is ready to use for steady airflow and a comfortable cabin.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Erik
7/12/2025
It’s been a year and the vent continues to work like new. Keeping the screen clean is relatively easy. There is a type of plastic, or nylon gasket that the hatch closes onto and its flexing, but I don’t notice any issues yet due to that. Hopefully it’s possible to just replace that gasket here in the future. Thank you.
Kate F.
7/14/2025
Tim
7/29/2015
How far above the roof does it protrude?
Paul
7/31/2015
Tim, do you mean the distance from the roof to the top of the lid when closed, or when fully open?When closed it cant be more than a couple of inches. I dont know what it is fully open - maybe 12 inches?Unfortunately the trailer is in Wyoming and I am in Denver right now, so I cant measure it.Paul
Paul
9/4/2015
After one year in the Wyoming weather the vent has performed very well: no water leakage and no dust entry. Hail storms were not able to dent the vent lid even though they were severe enough to dent the aluminum trailer roof somewhat. I am pleased with the results. Paul
Art K.
8/5/2019
So far so good. I have not used it as much as I had anticipated. But it works for me when I do.
Heather A.
4/3/2025
That's terrible keith... that makes me angry for you! I will definitely let the vendor know. Thank you for sharing that.
Rich D.
1/6/2018
Its still working flawlessly
Yvonne
6/1/2021
Working well. Want to get another one
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Lazer S.
10/12/2026
Glad we could help, Michael! What did you install this on?