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The built-in 12-volt DC fan pushes out hot or stuffy air so the interior stays comfortable and breathable. With a 100 CFM airflow rate, it moves more air than non-powered vents. You can switch it on or off right at the vent, keeping things simple while maintaining steady circulation even when the doors and windows are closed.
The hand-operated crank makes it easy to open or close the dome exactly how you want. It’s a straightforward design—no remote or wiring complexity—so you can fine-tune airflow in seconds. The fan motor attaches from inside, so service and adjustments are simple when needed.
The aerodynamic, wedge-shaped dome is made of strong polypropylene that stands up to wind and weather. The galvanized steel roof flange resists rust and corrosion for long-term reliability. The translucent white cover lets in soft daylight without sacrificing privacy or protection.

This vent drops right into a standard 14-1/4" x 14-1/4" roof opening, making it a quick swap for most existing vents. It includes a Birch White interior trim piece that fits roofs 1-7/8" to 3" thick and has a 2-1/8" garnish leg depth for a clean, finished look. The vent extends 4-1/2" above the roof when closed and 10" when open.
If you’re replacing an aging or broken vent, this model is a straightforward upgrade. It connects to a 12-volt power source and draws only 1.2 amps at 13.6 volts, giving you dependable airflow without heavy power use. Just add sealant and screws from the installation kit (#344270KITW) to finish the job right.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews

Chris
5/31/2015
How quiet is the fan? We have a new fan and low is extremely noisy. Is this because the blades are plastic?

Eric B.
6/4/2015
Chris, I cant comment on the actual use of the fan since I have not hooked it up to a battery to test it yet. We were planning on using it the week after the install, but stuff came up. Sorry I cant answer it. If youre patient, Ill respond once I do get around to it.

Eric B.
5/26/2016
The vent is working fine. It makes about the same amount of noise as the original one did. The knob is a little shorter than the original crank, so a little harder to reach for my wife, whos shorter than me. The vent works very good. Just ordered another one minus the fan for the front of the trailer.

Brooke M.
6/27/2025
Ooo, a renovation! What all have you redone at this point? Is it a business for you to flip trailers or just a personal project?

Gwendolyn Y.
4/11/2025
Nothing beats a perfect fit! I'm glad it was an easy fix up for you, John :)

Kim
10/23/2020
WORKS GREAT, USE IT ALL THE TIME. QUITE & GETS THE JOB DONE.

Larry Y.
6/5/2016
Ive had the product a year and everything is working great!

Gwendolyn Y.
2/27/2025
Hey Theodore. I'm glad that this vent was such a perfect fit for your toy hauler! Where are you going to take the camper too this year?

Daryl
8/16/2024
The fan is fine. It opens and closes easily. The only mistake I made was thinking I had access to 12v near the opening. What I have access to is 115v for installation of an ac unit. Sooo, I cant attest to the performance of the fan yet.

Victoria H.
2/12/2025
Hi Eric, please keep an eye out on your email inbox. We will be reaching out to make this right for you.

Lazer S.
4/28/2026
Sorry to hear that, Ed. I can't say I have heard the bug screen just falling out before. Do you have it fully installed? I know that's a fairly dumb question, but I still figured I would ask. I do also have to point out that this is for a 1-7/8" to 3" thick roof (as stated in the specs), so the shroud/garnish is 2-1/8" deep. This is why there are other options for that, like the 4-1/4" - Birch White # VA0445-28.

Charles L.
4/12/2017
Excellent product. Easy install and operation. Operates quietly and efficiently.
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Mike L.
3/20/2026
Job well done, Jay!! Thanks for the photos!