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Product Overview
The Thermwell Magnetic Vent Covers are white and can be cut to size. They block floor, wall and ceiling metal vents. The covers also fit large side vents. They can be painted to match the color of your walls. They help redirect air movement from one room to another.
- Blocks out air for floor, wall or ceiling metal vents
- Helps save energy
- Magnetic
- Fits large side vents and can be cut to size
- Click here to learn more about Eco Options and Energy Efficiency
Info & Guides
Compare Similar Registers & Grilles
| | Exclusive | Exclusive | |
| Brand | Frost King | Frost King | Everbilt | Everbilt |
| Name | Heat and Air Deflector | Magnetic Vent Covers | 4 in. x 10 in. 2-Way Steel Floor Register in White | 10 in. x 6 in. 3-Way Steel Wall/Ceiling Register in White |
| Price | ||||
| Ratings | (261) | (643) | (1535) | (940) |
| Product Weight (lb.) | .25 | 1.2 | 1.354 | 1.31 |
| Maximum Duct Opening Length (in.) | 15 | 4 | 6 | |
| Maximum Duct Opening Width (in.) | 8 | 10 | 10 | |
| Decorative | Yes | No | No | |
| Outside Width (in.) | 15 in | 5.5 | 7.75 | |
| Material | Plastic | Steel | Steel | |
| Shape | Rectangular | |||
| View Product | View Product | View Product | View Product |
Compare Similar Registers & Grilles
| | Exclusive | Exclusive | |
| Brand | Frost King | Frost King | Everbilt | Everbilt |
| Name | Heat and Air Deflector | Magnetic Vent Covers | 4 in. x 10 in. 2-Way Steel Floor Register in White | 10 in. x 6 in. 3-Way Steel Wall/Ceiling Register in White |
| Price | ||||
| Ratings | (261) | (643) | (1535) | (940) |
| Product Weight (lb.) | ||||
| Maximum Duct Opening Length (in.) | ||||
| Maximum Duct Opening Width (in.) | ||||
| Decorative | ||||
| Outside Width (in.) | ||||
| Material | ||||
| Shape | ||||
| View Product | View Product | View Product | View Product |
Specifications
Dimensions
Duct (inside) length (in.)
6 1/8 to 8
Duct (inside) width (in.)
10 1/8 to 12
Outside Length
8 in
Outside Width (in.)
15 in
Details
Color
White
Color Family
Whites
Decorative
Yes
Installation Location
Wall
Louvered
No
Material
Plastic
Maximum Duct Opening Length (in.)
15
Maximum Duct Opening Width (in.)
8
Product Weight (lb.)
1.2
Returnable
90-Day
Warranty / Certifications
Manufacturer Warranty
90 DAYS
Questions & Answers
40Questions50Answers
How many included and how big
Asked by Jj May 2, 20214
AnswersHonestly, they’re very thin and not even strong enough to hold on to the vents. Wouldn’t buy this brand again.
Will these work outdoors? I want to cover over the notices on the side of my AC unit as they are ...
Asked by Benny April 5, 20217
AnswersYes very much so.
on the picture of the package, says it is a 3 pack but does not say that in the details, so is it...
Asked by Nana March 26, 20215
AnswersYes, it is a package of three vent covers.
Will these get so hot that they catch fire or become some fire hazard?
Asked by ChrisPBacon January 29, 20215
AnswersNO read te review on the product,
What size it this sheet?
Asked by SE September 24, 20205
AnswersI bought mine as a gift for a friend. We painted them to coordinate with the floor. Works great
what aisle are they in?
Asked by rick August 24, 20205
AnswersI pre-ordered so I only had to go to the pick-up desk
Will this magnetic vent cover still hold even if i have the A/C on?
Asked by AMB July 21, 20205
AnswersAs long as you have the vent closed it should stay fine.
Looking for something to go over foundation vents for winter, would these work? I think the foun...
Asked by Linda May 25, 20205
AnswersThey will stick to aluminum. I have only used them for floor vents, however.
Do they come in different colors
Asked by Dan May 5, 20205
AnswersThey are white but you can paint them.
If ducts are not cleaned would there be any possibly of bugs flying out of vents into home & are filters the solution?
Asked by SheilaE May 3, 20204
AnswersNo that has never been my experience.
Customer Reviews
Jan 16, 2021
Don't believe those 1 Star reviwers.
I purchased this product from the store and on The way home I checked reviews and was thinking this was a waste of money. Then I tried it anyway since It was cheap. Guess what! it does exactly what it says. Used it on my ceiling vent. And working perfectly.
Note:.
1 cut to size .
2 make holes for screws and the little lever.
3 make sure the vent is in closed position once done.
The sheet needs to sit flush..
by Mark
Dec 13, 2020
I don't use them as vent covers. I put them on the wall, and I put my metal dies on them so I ca...
I don't use them as vent covers. I put them on the wall, and I put my metal dies on them so I can easily find them. They are dies for my die cutting machine, and they cling to the black side of the vent covers.
by EvaD
Sep 1, 2020
I use these vent covers as magnetic sheets to store my (metal) dies for craft projects. I have hu...
I use these vent covers as magnetic sheets to store my (metal) dies for craft projects. I have hundreds of dies for paper crafts - primarily card making and scrapbooking. I cut these to 10 inches put the dies on the dark side and the picture of what it is on the other side, then slip it in secure top sheet protectors to store in a notebook. I have about 25 notebooks. A lot of crafters use the vent covers as magnetic sheets for the same thing. I actually need to go buy some more!
by chimpchamp
Mar 7, 2019
I don't understand some of these reviews. Take ANY magnet and put it up your vent. Does it stick?...
I don't understand some of these reviews. Take ANY magnet and put it up your vent. Does it stick? Then this product will work. It's not a strong magnet, so if your vent isn't already restricting the airflow, I can see how that might be a problem. Also, make sure to clean and let dry the surface you're putting the magnet on first. Cut and applied to my ceiling vent and works perfectly at completely restricting the air. Best $5 I've spent in a while.
by TERRY
Jul 8, 2018
After reading some reviews of this product, I was curious as to my actual need. But, for health r...
After reading some reviews of this product, I was curious as to my actual need. But, for health reasons, I went up and purchased a pack of three. Returning home, within a matter of a half hour, I had two installed where the need was greatest. the third, I placed in a handy spot in the garage. I must seriously question the truthfulness - OR - the mechanical abilities of the previous reviewers. Both of the units installed are working as advertised and, most importantly, as hoped for. Installation was about as easy as one can get. For a good fit, it is necessary to cut a couple of notches to fit over the screws -1/8 inch each. One other slit for the flow adjuster. THAT was IT! After a few of the previous reviews, I could only respond with "WHAT was the problem?" Oh...and you do have to recognize the magnetic side to place against the metal of the vent.
by Artee
Sep 30, 2017
What a total waste of money. These are very thin and their magnetic capability is minimal. I put ...
What a total waste of money. These are very thin and their magnetic capability is minimal. I put these on wall vents and the edges lift off and curl away from the vent which completely defeats their purpose. Unfortunately I have not been able to find anything better--the thicker, higher quality ones that I bought several years ago apparently aren't available anymore.
by MontereyCA
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