Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
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6W x 8L InchItem # HMAV2-AVT2
Our Price: $9.12
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This 2-piece vent provides an inexpensive yet attractive way to ventilate your enclosed trailer. Round interior vent and half-moon-shape exterior piece are both constructed of black, UV-resistant polypropylene plastic that holds up to sun exposure.
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Specs:
Video of 2-Piece Polypropylene Trailer Vent for 3" Diameter Hole - Black
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Today, we're going to be taking a look at part number HMAV2-AVT2. This is the 2-Piece Polypropylene Trailer Vent. The trailer vent is going to provide continuous ventilation for your enclosed trailer. To increase your ventilation, you can install more than 1 vent, but with this part number, you're going to get these 2 pieces. The 2-piece design is going to create a low-profile vent that's very attractive both inside and outside your trailer. The half-moon piece with the flat slotted side is going to attach to the trailer's exterior.
It's going to need to attach 6 areas, so you got 6 mounting holes. Hardware is sold separately. Slots are going to be located on 1 side only allowing you to position the vent for best air flow and to help prevent water from getting in. It is going to feature a small drain hole located on each side here at the corner, so that's going to let out any water that does get in. As long as you use some sealant and you have the slotted holes facing down, you really shouldn't have to worry about moisture or water getting inside the unit. Again, your hardware is sold separately as well as your sealant.
We sell both of those products here on our website, so you can pick up some of those while you're here. This is your exterior piece. The round piece, this is going to be your interior piece. It is slotted, so that's going to allow really good air flow. You can easily trim the vent tube; that's this portion right here, to fit thinner walls if needed and to allow for better air flow. Interior piece, exterior piece, with the wall in between the two pieces.
You just want part of this sitting in this cradle right here to allow better air flow. Again, that can be trimmed to fit thinner walls as well as to provide better air flow or better air circulation. From inside of the trailer, this is all you're going to see, and then from the exterior, you're just going to see this half-moon piece, so it does add a really nice finished look. It's black in color. It's made from a UV resistant polypropylene plastic construction so it's going to stand up well to the elements. Just want to go over some measurements real quick.
This unit's designed to fit a 3-inch diameter hole in your enclosed trailer. The half-moon piece is going to give us a measurement from edge to edge going this direction of 8 inches, edge to edge going this direction top to bottom of 6 inches. It's going to give us a depth; this is how far it's going to stick out from the mounting surface of an 1-1/4 inch. Again, the half-moon piece is going to contain 6 mounting holes. The circular piece is going to give us an overall diameter 4-1/8 of an inch. The vent tube outside edge to outside edge is going to measure 2-15/16 of an inch. The tube depth is going to measure 1-1/2 inch. Mounting flange on the circular piece is going to measure 5/8 of an inch. That's going to have 3 mounting locations. The mounting flange on the half-moon piece, that's going to measure 1/2 inch. Again, your mounting hardware and the sealant are going to be sold separately. That's going to do it for today's review of part number HMAV2-AVT2. This is the 2-Piece Polypropylene Trailer Vent. .
Average Customer Rating: 4.8 out of 5 stars (112 Customer Reviews)
This 2-piece vent provides an inexpensive yet attractive way to ventilate your enclosed trailer. Round interior vent and half-moon-shape exterior piece are both constructed of black, UV-resistant polypropylene plastic that holds up to sun exposure.by: Andy W03/08/2016
Another review (above) recommended using a plywood jig. I took their advice and was glad I did. They did not include images, so I am. It made the install SUPER easy. 1) Use a scrap piece of 1/2 or 3/4" plywood slightly larger than the exterior vent. Find center of plywood and use 3" hole saw to make opening. Insert the round interior vent (loosely) from one side, and then loosely attach semi-circular exterior piece. Pinch all three pieces together and set on a flat surface. Trace the outline of the semi-circular vent onto the plywood. Make marks at the 6 screw hole openings. 2) Drill through plywood at the 6 screw openings. 3) locate vent position on exterior of trailer (note: make sure the shape of the vent corresponds to the flow of air!!!). 4) place plywood jig at desired loaction (press against exterior of trailer) and drive at least 4 self-tapping screws through plywood and into trailer wall (make sure to use screws long enough to penetrate thickness of plywood). 5) now that plywood is attached to exterior of trailer, use a hole saw to cut through metal and plywood interior wall. The jig will keep your saw in perfect path. 6) Apply silicon to inner rim of 3" round interior vent cover. Press into opening. 7) My interior vent was the perfect depth - It was flush with exterior of trailer wall. If yours is too long, cut to proper depth. Apply silicon at seam where metal opening meets end of interior vent (added protection against rain). 8) Add silicon bead on underside of exterior vent flange. Align with screw holes (from jig attachment) and drive 6 self-tapping screws. Good luck! 240227
by: RussB08/01/2014
I needed a rainproof vent for an outdoor electrical equipment box (WiFi). This item fit the bill perfectly. It's mounted on outside of box and an exhaust fan is mounted over the 3" hole on inside. Only used the interior vent as a guide to line up exterior part with 3" hole. Glad I ran across this item while searching for a vent and eTrailer gave quick shipment. 144058
I am looking to ventilate a fiberglass camper shell, especially to reduce interior condensation from breath while sleeping in cold andor rainy weather.Rather than a roof vent, I want a vent like this, or the louvered vent, and a small 12 volt fan attached. I imagine it mounted on a vertical wall of the camper shell, not the roof.Can you please describe in greater detail the exhaust fan you mounted over the 3 hole inside? Even if not a 12 volt fan, I would like to see the fan, as I may be able to find a 12 volt version.
-- comment by: Joel N - 05/02/2015I used a small Box Fan 3. Google Box Fan 3IN and youll get lots of hits. They come in various voltage ratings. I used 110vac, 12vdc, and 5vdc fans depending on what was available. Be advised these small fans do not move a lot of air for a camper.One thing to consider for camper installation is dust. There is no shutoff on these vents. Ive found travelling on dirt roads sucks in dust through any open holes.I had a camper problem just like yours. My solution was to spray the interior walls with a simulated fabric spray. Dont recall brand or where I got it. However it stopped getting rained on when sleeping inside. Some sort of vent is also desirable. It must be rain proof and close off for dust protection.
-- comment by: RussB - 05/14/2015Vent is holding up well after 1 year in AZ sun.
RussB - 08/01/2015by: James W.10/02/2013
Excellent product and easy to work with. Great service. I was concerned however about insects entering through the vents so came up with a filtration system. Used a PVC coupling and some filter material. Cut the coupling to 1/2 inch rings and remove just enough material to allow an inside press fit. Cut round filter and insert first then hold in place with the ring. On the outside vent cut a long narrow piece as shown. When installed as shown, adds very good double filter and allows air to move freely. Just finished a 6000 mile trip clear across the country and back and filter performed perfectly. Eliminating the heat build up AND keeping the bugs out. JIM : ] 102260
I really like this idea and thanks for taking the time to document and post this info. What is the blue filter material, where did you find that and how is it secured to the external vent piece?Best regards.
-- comment by: Herb L - 08/02/2014 by: Sherpa Trailers06/19/2018
We use these on every trailer we make, very good heavy duty vent, attractive, adds a design element to the trailers. We use both black and white vents, depending on the side color of the trailer. Yes, we are kind of trailer nerds! And we do love e-trailer! 524150
by: Charles D.10/10/2016
I installed a pair of the vents at the top rear of an insulated 24ft car hauler. Simple to installed using a highly recommended hole saw. The purpose was to create some natural convective updraft keeping it dry, cooler, and ventilated when using it for long term storage. The provided screws were replaced with Stainless to avoid future rust bleed. There is no gasket provided for the exterior and although it may not be necessary to avoid rain finding its way into the interior, one was improvised using some strip seals (like sticky gum) around all but the bottom so any water could drain. They seemed a bit restrictive for free air flow where the cylindrical shell interfaces the rain guard inside the outer cover. This is necessary to the design for universal left or right installation, but knowing where they be installed allowed the guard to be trimmed up to just below horizontal with out effecting the rain protection. They worked out good, although I would have like to see the available in 4" and 6" sizes. 305161
by: Troy B.08/01/2017
Just finished installing my new vents, very easy to install and look pretty good as well, hopefully they serve they're purpose. Any ventilation is better than none. 413321
by: ken I.01/16/2012
Just what the pic shows. Bought to ventilate snowmobile trailer. Not installed yet, but will definitely help . Trailer only came with one vent that was pretty much useless. Good price also. 29791
Just would like to know how these vents worked out on your snowmobile trailer.I have a snowmobile trailer also with two 3 top side vents, after a day off riding and putting the sleds back in the trailer, you see a lot of ice on the roof the next day.
-- comment by: Jeff - 01/19/2016Mine would condense all the time. Other than only one from the factory, that was barely cut out, there was no circulation in the trailer. made a big difference for me. Being that yours is already vented and seems to only happen a day or two after you ride theres probably just too much humidity, while thawing out, for that small of a space. More vents couldnt hurt but if theres no breeze for circulation its still probably going to take a while to dry out. Maybe leave the trailer cracked open a little bit for a day or two?
-- comment by: Ken I - 01/20/2016by: Sherpa Trailers01/10/2018
Those parts that we purchase from etrailer always arrive as advertised and in a timely manner. The parts (we are a teardrop trailer manufacturer, and are notoriously hard to please!) are sturdy and well made. Have never had an issue with this company in the four years we have used them as one of our suppliers. 466261
by: Vent11/04/2013
Good product, easy installation and good price. 106163
by: charlie k01/15/2014
i had purchased one of these awhile ago and just got around to mounting it.I liked it so much,I bought 3 more. Always get great service at etrailer.and fast delivery.I have purchased lots of trailer parts from etrailer and always been very satisfied 113885
vents work good
charlie k - 01/19/2015by: Rich from maple lake09/17/2014
Easy installation ,nice looking and functioning product. 151607
Perfect
Rich f - 09/17/2015by: Bobby VW02/09/2016
The product is as described and is simple to install. There wasn't any hardware included so I had to provide my own. It might have been stated that hardware was not included and I missed it. Hardware SHOULD be included so one doesn't have to scour for the proper screws and rivets and it would make things a lot easier even if you increase the price accordingly. Otherwise the quality is good and rugged and will last for along time. Also, a filter would help with dust and small bugs getting into the trailer interior. Just a thought! Bob 237341
by: Rick K.07/26/2014
I have used your web-site before and find it very easy to navigate. The product I ordered is for a small, 5X10 trailer that I use to haul/store my landscape equipment. In the summer months, things get hot and stinky in the trailer so I ordered these to provide ventilation. Your company shipped these vents very quickly and they were no problem installing in my trailer. I have already bookmarked your web-site because it provides the equipment that I need. Thank you. 143013
by: Jim09/11/2015
The product seems to be well made and I believe installation will be easy. The only down side is if you are installing it onto any surface that is not at least 1.25" thick, you will need to take up the extra space. This is usually not the case with a trailer wall but is in my case of a composite molded wall of a walk in storage pod. I recommend a finer screen be cut and siliconed onto the molded grate to keep out smaller insects but that is an easy upgrade. 224935
by: Jim S04/18/2017
Product was packaged very securely and delivered in a timely manner. I would definitely go to ettrailer for all of my trailer needs. I ordered a basic enclosed trailer. Purchased flush tie downs, stabilizer jacks and vents. Installed all items with ease with no special knowledge or tools. I saved around $450 should these items be included with the trailer. Now I have a sweet enclosed motorcycle trailer that I can use what's the all the amenities I needed. 369190
by: A.Lewis08/17/2017
My trailer is light weight easy to pull, even loaded don't even fell like its there . The only issue i had and still have the travel lights don't work properly, Ive check the power plug on my truck got a new adapter . I had my dealer ship check its not the truck or plugs. Its some were in the walls of the trailer i really don't want to take apart the walls travel lights to me are not that importation just tail, and break lights im good with my trailer. 421764
by: Lance11/10/2017
While it is just a 'through-the-wall' air vent, it is exactly as advertised and was delivered promptly. It was purchased for a small camper I am building. As others have noted, it doesn't incorporate a bug screen/filter, but anyone able to install the vent should be able to insert a screen if desired. I also plan to install a simple shutter over the inside part of the vent so that it can be closed as needed. 450747
by: Pat H.06/11/2017
I ordered two of these vents for my horse trailer. They have helped a lot with the heat and humidity build up in the tack area. The only problem is that they are plastic and paint does not stick very well to them. I tried to paint them the color of my trailer but the paint does peel off after awhile. I think I will just let them be black from now on it is easier. Other wise a great product. 391799
by: John06/04/2018
Bought 2 of these to vent my trailer. Extremely simple install. Just use a 3" hole saw to locate the inner vent, center and level the outside vent and use the holes on the outside vent to mark the hole pattern and pop some pilot holes for the screws. I used some sealant around the flat that sits flush to the outside of the trailer as well as around the inner vent on the outside of the trailer. 517443
by: Ryan06/06/2016
Excellent quality product at a good price. Product was as described by the seller, and easy to install. Used a 3 inch hole saw to make the mounting hole in the side of my cargo trailer and fitment was perfect. Use clear silicone after installed around the outer edge of the outside vent. You will be satisfied with this product and the short time it took to ship and be delivered. 258315
by: Steven M.04/21/2014
Product arrived as described. Awaiting trailer delivery then it will be installed. In the mean time I made filters for both sides to keep the insects and dust out of the trailer. Only down side, no screws were offered with the product so I went to Lowe's and found some white aluminum ones, sanded the white paint off and painted them flat black to match the vent. 126274
by: Sevans197510/06/2017
Extremely prompt service from ordering to shipping. Great communication for my order confirmation, tracking number, and follow-up. These vents are exactly what we were looking for and actually shipped more quickly than I thought they would. Would definitely recommend etrailer.com to others looking for parts and would order again. 439891
by: Robert Miller04/28/2014
Great Product.. Great to do business with you company. They are already installed. Very Pleased, I will do business with you again. 127837
by: jim05/04/2015
Ordered four of the vents for my cargo trailer that was much to air tight and drawing moisture. Very easy to install and seem to be made of a very tough material. Was suprised how fast they were shipped by etrailer. I was emailed a notice that they had shipped just a few hours after I ordered them. That is service few can match. 189815
by: tony f08/12/2016
very nice vent just what I was looking for my bike trailer I needed to vent my trailer because there was a lot of heat build up inside these did the trick and it keeps the rain out. they came in a short time from ordering them like 3 days very happy .the people that took care of me were very helpful and new the product well. 283179
by: Ron06/21/2018
The outside finish has witness marks from the molding process. I’m sure it will work good. Low score for finish 525117
by: Bob B.07/10/2015
The quality of this item is great, so is the service from e-trailer, on my original shipment I ordered 2 and 1 was damaged during shipping. I call the customer service # and a new one was shipped out right away, received it 2 days later! Thanks e-trailer! I'll definitely use you again when the need arises. 210816
by: Matthew E03/13/2017
Purchase was simple and shipping was fast. I placed the vents of the right and left side with little or not issues and sealed as per instruction. If I was to make a recommendation I would suggest placing a tube of sealant in the vent. But, then you may have issues with color, etc. for customers. 352124
by: Robert04/10/2018
I installed this in th sidewall of a cargo trailer, along with a solar vent on the roof, also found on this website. It's a simple design and it should work as advertised. It would get 5 stars if it would have come with the hardware to install it. I used pop rivets and they worked well. 494981
by: Scotty B.07/31/2016
Installed these vents in a new enclosed trailer that only offered the overhead vent. I couldn't leave that vent open during bad weather. Using this trailer as transportation as well as storage. Motorcycle requires venting and HMAV2-AVT2 was a snap to install. 277828
Outstanding, looks new.
Scotty B - 07/31/2017by: Luis05/27/2015
Great vent and really easy to install if you need some air vent for your enclosed trailer this product is perfect for the job . I use a 3 inch hole saw to make holes and ribbots . I spray paint mine to match trailer but how it comes is perfect too. 198176
by: Elwyn G06/02/2014
I haven't installed these yet but can tell they will do the job. What I have to say is that etrailer is very fast and extremely responsive. I am not an experienced build of trailers but etrailer has made my experience much easier. 133742
by: Dudley P.10/09/2017
It was exactly what I needed to replace one that was damaged on my enclosed trailer. The price was right. The shipping was fast. It was a perfect fit. Nuff said...except, thanks so much for being there when I needed you!!!!!! 440987
by: Frank T01/25/2015
Just what I expected per the web site info. Good item, great price. Within minutes of placing order I had a confirmation of the order, within 1 1/2 hours I received notice that it was shipped. Great job guys, thanks 171176
by: Glenn06/08/2016
I liked the product and works well. They 4 installed allows better air flow while in storage or closed up. It does require a 3" hole saw which I purchased. Very happy with end results. Glen, Smithfield, Va. 259010
by: Barry M01/21/2018
Good product, easy to install... just make sure you are not cutting into hidden support structures. So far, I can see a big positive difference in the amount of moisture in the trailer. The vents do help. 468606
by: Ted T10/31/2016
Though still hesitant about cutting a hole in my new trailer, these are standard vents on most trailers and am looking to use two of these for cross flow and the center roof vent when I'm using the trailer. 312530
by: James. A.08/27/2016
A quality product at a great price. Ordering was easy and shipping was fast. These vents look like they were factory installed. I am very pleased with etrailer.com and will not hesitate to use them again. 288453
by: Phil03/31/2017
I purchase 2 of these vent's a few weeks ago, Very easy to install. i decided to order 3 more , as they say more vent the better . The only thing i have a problem with is they don't come with screws. 361169
by: Rigo V09/29/2017
purchased a 5x10 enclosed cargo and will be installing 4 vents that are at a great price and will keep my trailer at a lot cooler temp, Thank You etrailer for the speedy shipping, and great parts. 437507
by: Chris08/30/2017
Easy to install. I just wish they came with an insert so bugs couldn't get through. I ended up using a window AC filter which worked perfectly for letting air through but making it so bugs can't. 426901
by: Pat08/23/2016
These vents worked well and looked good on the exterior if our snowmobile trailer. The roof top power vents have provided adequate ventilation during this summer on our snowmobile trailer. 286744
by: Stephen S.11/13/2016
The product arrived on time and was of good quality. Relatively easy to install. Ordering from etrailor was easy and professional. They showed a true concern for my satisfaction. 316225
by: Rick07/25/2012
The vent works great. I actually added two of them one facing forward on the left front side and one on the right rear facing backwards to help vent the trailer while moving. 49255
by: Dick r05/06/2013
Received on time as promised, installed all 4 vents in under an hour they look and work great . You now have me as a custermer. Thanks dick r 79173
by: Kevin M07/01/2016
This is a easy to install unit for a DIYer. It is of good quality and has held up fine for a year now. I installed two on my trailer and it has made a difference. 267050
by: Jim G.02/09/2015
Good product at a reasonable price. Delivery on time with no surprises. A good experience; that's why I placed another order. Thanks for the follow-up. Jim 173017
by: ddogg08/01/2013
Product arrived in good shape. Product as described in website. Thank you so much for using stickers on the part that do not break apart when peeling off!!!! 92776
by: John V.01/18/2017
Vent was easy to install. Installed 3 on my trailer in under an hour. These will provide air flow when I am traveling and in the summer when temps are hot. 333615
by: Sonny M.07/30/2017
Very pleased with Vents.... very easy to drill couple holes and install into our Community Emergency Response Team's Supply Container... 412629
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