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Ventline Vanair Trailer Roof Vent w/ 12V Fan - 6-1/4" Diameter - Smoke

Ventline Vanair Trailer Roof Vent w/ 12V Fan - 6-1/4" Diameter - Smoke

Item # VP-543SP
Our Price: $94.59
You Save: 34%
RV Vents and Fans
Shipping Weight: 2 lbs
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This roof vent uses a 12-volt fan to circulate air in motor homes and enclosed trailers, keeping interiors ventilated without compromising security. Rounded, plastic vent cover opens and closes with the simple spin of a handle. Great Prices for the best rv vents and fans from Ventline. Ventline Vanair Trailer Roof Vent w/ 12V Fan - 6-1/4" Diameter - Smoke part number VP-543SP can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (242)
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Ventline RV Vents and Fans - VP-543SP

  • Vent
  • Roof Vent
  • 12V Fan
  • Tinted
  • Ventline
  • Manual Lift
  • 2-3/8 Inch
  • Plastic

This roof vent uses a 12-volt fan to circulate air in motor homes and enclosed trailers, keeping interiors ventilated without compromising security. Rounded, plastic vent cover opens and closes with the simple spin of a handle.


  • Roof vent's electric fan yields better air circulation than non-powered models, exhausting hot air while trailer or RV remains locked and secure
  • Efficient 12-volt centrifugal blower design
    • Draws only 1-1/2 amps yet moves 100 CFM - low demand on battery
    • Quiet operation
  • Easy, one-handed opening and closing of dome
  • Translucent cover allows some light through
  • Fan uses 12-volt DC power
  • Low-profile plastic dome
  • Butt connectors and ring terminals sold separately
  • Made in the USA


  • Fan power: 12-volt DC
    • 100 CFM
  • Cover color: Smoke
  • Rough opening size: 6-1/4" diameter
  • Vent extends above roof:
    • 2-3/8" Closed
    • 3-1/4" Open
  • 2-Year warranty


  • Screws and sealer are not included. See Installation Kit (344270KITW), which includes all necessary screws and sealer to install vent.
  • Not for use above tubs, showers or range cooking surfaces.

VP-543SP roof vent

Installation Instructions

  1. Cut a 6-1/4" diameter rough opening through roof. (You can use the smaller diameter of the ceiling garnish as a template.)
  2. Remove the two screws from the roof cap and then take off the cap for access to the mounting holes.
  3. Apply sealant to bottom of flange. Be sure to surround each screw hole.
  4. Make electrical connections.
  5. Insert vent into the rough opening and align it correctly with the trailer. The flange is stamped "FRONT" on the part that should be oriented toward the front of the trailer or RV.
  6. Mount to roof with #8 screws.
  7. Insert ceiling garnish into opening and attach with #8 screws.

VP-543SP Ventline Vanair Trailer Roof Vent w/ 12V Fan - 6-1/4" Diameter - Smoke

Customer Satisfaction Score:

Customer Reviews

Ventline Vanair Trailer Roof Vent w/ 12V Fan - 6-1/4" Diameter - Smoke - VP-543SP

Average Customer Rating:  4.7 out of 5 stars   (242 Customer Reviews)

This roof vent uses a 12-volt fan to circulate air in motor homes and enclosed trailers, keeping interiors ventilated without compromising security. Rounded, plastic vent cover opens and closes with the simple spin of a handle.


Hello all.
I have a 1973 Apache Pop
up, the original vent was missing so I looked online for a replacement and I came across this ventline vanaire roof vent, the vent fit perfectly in the original location of the old vent . This pop up has hard sides when you bring the roof down the side walls meet in the center but leave a gap between each other the handle for the vent fits perfectly in the gap. This memorial weekend we vacationed at Lake Isabella and it gets windy when the vent was closed it stayed closed no matter how strong the wind was. It was a success and worked perfectly. Thanks and I am a happy camper.

Victor Y.


A year later and Everything works perfect still looks new. Never had a problem , no leaks no noises all around a perfect product thanks. I forget its on cause its so quiet ??.


I bought this 6" fan a year ago and it is still going strong.
I mounted it vertically on the rear wall of my van conversion boxvan(RV Off-Grid Campervan) about 7" from the ceiling. It was a good fit because I didn't want to cut a hole in my roof and my ceiling. It pulls all of the hot air out of the room within less than a minute. If you want to mount yours vertically as well it will operate just fine with no flaws. Water has never leaked through the unit at all even while mounted on the wall instead of the roof. I recently recommended this fan to someone who needed a fresh air fan for summer as well in a van. Perfectly satisfied with this fan, recommend it and would buy again if the need arises!
Thank You


Our hunt club has 2 pit blinds that are used for waterfowl hunting. Each blind is essentially a concrete box with walls, floor and top 4 inches thick and dimensions of 12'x5'x5'. Each blind is buried to a depth of 5 foot to where the top is flush with ground level. Access is through the top using 24 inch wide manhole lids that are made of high density plastic. The cooler air inside of the blinds clashing with warmer air absorbed by the concrete and manhole lids at ground level caused condensation that made the inside damp and smelly. We only hunt 3 months each year, so needed a vent solution for the other 9 months the blinds were not in use. We also needed something that could be powered by DC voltage from a solar panel due to the remote location. In July 2015 we installed each fan into a manhole cover and used water-tight conduit and electrical boxes to run the wiring from the solar panel to each fan. Great solution! Once enough daylight hits the solar panel the fan blades start moving and run constantly until sundown. Will see how long these things last but so far so good

Bobby D.


It has been a trial and error experience this past year, but now believe we have things figured out. We outsmarted ourselves and upped the wattage of the solar panel array this spring to run a pump and the fans, but didnt properly calculate the impact that would have on the fans. Bottom line, we sent too much juice to the fans and fried the motors. Luckily, etrailer sold replacement motors. Replacement was a breeze, and lesson learned. After that we split the solar panel array and now the correct voltage and amps are being used and no issues whatsoever. We also had a battle with mice getting inside the fan housing when not operating and making nests, which was a real mess. Solved that by opening the adjustable fan housing just enough to circulate air but not enough for Mickey and his friends to make a condo in the fan housing. Knock wood, the lessons learned this past year should make for trouble free operation from now on. I know that we are not using these vent fans in vehicles, campers or trailers as the majority of you do or intend to do. If we can make these fans do the job in our application, using these fans as intended in a vehicle, camper or trailer using a 12 volt battery and not solar panels and staying clear of rodents should be a breeze.


Great for tight spaces. Not the most flashy of designs, but they work well. Lower profile than the maxxair 6 inch round fan. Easy to work on when it comes time to needing to replace the fan motor as well.


Fan arrived quickly and was an exact replacement for our Hail storm damaged unit. Thanks eTrailer!


A direct replacement for the original bathroom vent in my 20 yr old Airstream. Very easy installation. Nice product. The improvements incorporated into the new one make it much quieter and it moves more air than the original.


We purchased this product to go in our truck cap as part of a camper build-out in the bed of our truck. This roof vent fit the requirements for size. One of the the limitations was we needed to address our roof rack, and the need to have the vent open with the kayak on the roof. The other concern was with the thickness of the cap, or the lack of consistency in thickness. So trimming of the vent trim ring was necessary.
When we first turned the vent on it didn't seem like it was drawing any air, so we did a smoke test with the vent and it was working just fine! This was done as a quick test. Now we have the vent connected to the aux battery fuse block and run it while we are working on the rest of the interior build-out. It makes a noticeable difference when it's on.
It is a little bit noisy, so we'll see if it keeps me awake at night.


This little fan is working absolutely perfect in my homebuilt teardrop trailer. It's small size and low profile make it perfect for this project. It would even open if I installed a roof rack which is the main reason I avoided the larger 12x12 roof vent fans not to mention it was a fraction of the cost. It looks great and works excellent. Hot evenings are not an issue with this fan providing great ventilation, drawing heat out the roof and pulling in cool air through the doors. I highly recommend this fan. It was extremely easy to install and seals up tight with no leaks or issues of any kind.


I am in the midst of bringing a 1979 Avion trailer back to its former glory. Lots of updating and repairs underway. The trailer came with a hole in the bathroom ceiling instead of the vent fan that once lived there. I searched around and found this vent fan, and at the best price here at etrailer. Perfect fit! Installation was a piece of cake. I am very happy with this product and etrailer and will continue shopping here as the renovation continues.


It works. It doesnt leak. My complaint would be its rattling noise; indicating a low quality fan motor. Possibily out of balance.


We use one of these in every trailer we make. They are reliable, easy to install, and attractive. We do install them on the side of the trailer, as we don't like to make holes in our roof.


I purchased this vent to remove damp air causing mildew growth from a plastic utility storage building on a concrete slab. The vent itself installed in under 5 minutes using the inside flange collar as a template and a reciprocating saw to cut the hole. I used gutter sealant and self tapping screws to attach to roof. I hooked the device up to a small solar panel and away it went. The 560 cubic foot storage building was full of dry fresh air in under 24 hrs with no sweating or condensing moisture as it was the prior day.
Very nice push-pull design to open and close the vent. Has a push button switch for power but I intend the let it run full time when the sun is out.
Thanks e-trailer, Best prices on the Internet too!

Paul F.


Been running 365 days later with flawless operation


Excellent service!


Purchased the Vanair Ventline fan to replace the one that was original equipment on our 2003 Teton fifth wheel. The old one was very noisy and I had already repaired the cover once. Shipping was cheap and fairly quick (UPS ground). The price was good. Installation was easy and the new unit fit perfectly.
I now have a very quiet new fan in the bathroom.



This fan has worked flawlessly for the past year. The only thing I recommend is to vacuum the fan screen about once every two weeks.


I bought a Chevy City Express van, which is the same as a Nissan NV, with the intention of turning it into a little one person camper. Needed a roof vent, a standard square vent wouldn't fit between the roof ribs. Found this one. A friend installed it for me, he just wired a 12v plug on it, and I plug it into my portable jumper box. It will last 2 nights before it needs to be recharged. Works good.



So far, so good.


My order arrived on time and in good condition. Installation was relatively easy. Once installed they work quite well. It will make traveling on the road with my dog much easier because of the amount of air that is moved. I will send pictures next week of the installation.

One comment, the instructions call for a 6-1/4" hole. Someone needs to tell the manufacturer that hole saws only come in 6" necessitating additional cutting for an accurate fit.

Thank you



Still doing the job!


This was a very nice upgrade to our camper bathroom. It did not have a vent and I didn't want to cut a big whole in the roof. Nice and quiet, easy to install, and easy to use. I also really like that it lets some light in as the plastic is sort of tinted.


This is a cost-effective alternative for confined space or limited access areas - we installed two in a sprinter conversion, one above the shower and one over the bed.
eTrailer shipped in good order - very happy with the purchase.


Just installed the Ventline 6 1/4 fan in my horse trailer. Simple easy and works great.


Great weatherproof ventilation solution. Good air flow and simple install.


To order was easy,very fast delivery, installation on teardrop camper went as I thought it would,works to vent camper, works very good. Quiet and looks good , I like it. GB.


The unit was easy to install, but it is not powerful enough for the trailer I have. I have a 5 x 8 enclosed trailer that I use for my landscaping business. I needed an exhaust fan to help remove the hear from it while closed. Havi g a phone conversation with one of your employees, I made the purchase. Just not what I expected from etrailer

Etrailer Expert

Katrina B.


Its a shame that this is not fitting your application. I have sent your information over to our customer service department for them to assist you in getting the correct unit.


She was very nice, knowledgeable, professional,understood
my request, and set me up with my new vent fan. I received it today! Thanks Again!


Great product! Came prebuilt, with simple easy to read instruction. Installion in the roof of my van was very simple. Couldn’t be happier!


It was pretty easy to install and looks great on our cargo trailer.

Rick K.


It works very well and is nice and quiet.

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