4 in. Resin Circular Mini Wall Louver Soffit Vent in White (4-Pack)
- Easy to install: just cut the hole and snap in place!
- For hard-to-ventilate or other restricted areas
- One-piece high-impact plastic construction
- See More Details
Frequently Bought Together
Product Overview
Nothing protects quite like a roof.
Nothing protects quite like a roof. That's why millions of Americans live, work, and play under quality products from North America's largest roofing manufacturer - GAF.
How much Ventilation do I need?
Include 1 sq. ft. of attic ventilation, evenly split between intake and exhaust, for every 300 sq. ft. of attic floor space.
What type of Ventilation do I need?
Review the ventilation options below to determine the best fit for your home application.
High efficiency Electric, Solar or Hybrid
Quickly removes large volumes of heat and moisture from your attic.
No electricity required
Allows excess heat and moisture to escape your attic without the need for electric hook-up.
Wind-powered, smooth, and quiet operation
Utilizes the wind to pull heat and moisture from attic; acts as a static exhaust vent when wind is still.
The most overlooked and critical part of attic ventilation
Allows cooler, fresh air to enter the attic at/near the soffits driving heat and moisture out higher exhaust vents.
5 Warning Signs
Here are some poor attic ventilation warning signs that you may recognize:
1. Increased energy costs
Excess attic heat can cause your cooling system to work harder, raising your energy costs.
2. Curling/cracking shingles
Inadequate ventilation can cause your roof shingles to curl and crack.
3. Roof decking moisture
Excess attic moisture can drip into attic insulation reducing effectiveness, even damaging ceilings below.
4. Attic mold/mildew
Excessive moisture can cause dangerous mold and mildew causing additional concerns.
5. Winter ice dams
Ice dams can cause expensive leaks and damage in attics, as well as living spaces.
- High impact plastic construction for long life
- White finish
- 1-piece construction eliminates need for screen
- Round snap design for easy installation
- UV inhibitors for durability
Info & Guides
Product Overview
- Easy to install: just cut the hole and snap in place!
- For hard-to-ventilate or other restricted areas
- One-piece high-impact plastic construction
Compare Similar Soffit Vents
 | | |  | |
| Brand | Deflect-o | Master Flow | Master Flow | Master Flow |
| Name | 10.25 in. x 2.25 in. Half Round White Weather Resistant Plastic Soffit Vent | 4 in. Resin Circular Mini Wall Louver Soffit Vent in White (4-Pack) | 3 in. Resin Circular Mini Wall Louver Soffit Vent in White (4-Pack) | 16.5 in. x 1.5 in. Rectangular Almond Built-in Screen Galvanized Steel Soffit Vent |
| Price | $969 | $1254 | $1340 | $2112 |
| Ratings | (38) | (53) | (56) | (8) |
| Mounting Position | Soffits | Soffits | Soffits | Soffits |
| Net-Free Area (Sq. In.) | 16 | 5.17 | 3.2 | 56 |
| Intake/Exhaust | Exhaust | Intake/Exhaust | Intake/Exhaust | Intake |
| Features | Weather Resistant,Wildlife Guard | UV Resistant | UV Resistant | Built-in Screen |
| Cut-Out Width (in.) | 4 in | 4 | 3 | 15.5 |
| Shape | Half Round | Round | Round | Rectangular |
| Material | Plastic | Resin | Resin | Galvanized Steel |
| Power Type | Non-Powered | Non-Powered | Non-Powered | Non-Powered |
| View Product | View Product | View Product | View Product |
Compare Similar Soffit Vents
| | | | |
| Brand | Deflect-o | Master Flow | Master Flow | Master Flow |
| Name | 10.25 in. x 2.25 in. Half Round White Weather Resistant Plastic Soffit Vent | 4 in. Resin Circular Mini Wall Louver Soffit Vent in White (4-Pack) | 3 in. Resin Circular Mini Wall Louver Soffit Vent in White (4-Pack) | 16.5 in. x 1.5 in. Rectangular Almond Built-in Screen Galvanized Steel Soffit Vent |
| Price | $969 | $1254 | $1340 | $2112 |
| Ratings | (38) | (53) | (56) | (8) |
| Mounting Position | ||||
| Net-Free Area (Sq. In.) | ||||
| Intake/Exhaust | ||||
| Features | ||||
| Cut-Out Width (in.) | ||||
| Shape | ||||
| Material | ||||
| Power Type | ||||
| View Product | View Product | View Product | View Product |
Key Features
Nothing protects quite like a roof.
Nothing protects quite like a roof. That's why millions of Americans live, work, and play under quality products from North America's largest roofing manufacturer - GAF.
How much Ventilation do I need?
Include 1 sq. ft. of attic ventilation, evenly split between intake and exhaust, for every 300 sq. ft. of attic floor space.
What type of Ventilation do I need?
Review the ventilation options below to determine the best fit for your home application.
High efficiency Electric, Solar or Hybrid
Quickly removes large volumes of heat and moisture from your attic.
No electricity required
Allows excess heat and moisture to escape your attic without the need for electric hook-up.
Wind-powered, smooth, and quiet operation
Utilizes the wind to pull heat and moisture from attic; acts as a static exhaust vent when wind is still.
The most overlooked and critical part of attic ventilation
Allows cooler, fresh air to enter the attic at/near the soffits driving heat and moisture out higher exhaust vents.
5 Warning Signs
Here are some poor attic ventilation warning signs that you may recognize:
1. Increased energy costs
Excess attic heat can cause your cooling system to work harder, raising your energy costs.
2. Curling/cracking shingles
Inadequate ventilation can cause your roof shingles to curl and crack.
3. Roof decking moisture
Excess attic moisture can drip into attic insulation reducing effectiveness, even damaging ceilings below.
4. Attic mold/mildew
Excessive moisture can cause dangerous mold and mildew causing additional concerns.
5. Winter ice dams
Ice dams can cause expensive leaks and damage in attics, as well as living spaces.
Specifications
Dimensions
Details
Warranty / Certifications
Questions & Answers
Can this be used under eave or ONLY walls?
Asked by KevinW December 9, 2019These can be used as intake in the soffit/under eave If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612..
are these available with insect screens?
Asked by Toolguy October 11, 2019We do not have this product with a screen, the one piece construction eliminates the need for screen. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
I live in Florida and have older steel soffit. They have been painted and many air holes are pai...
Asked by sfield11 July 12, 2020The flange on the back is about 1 inch deep and the vents are about 4 inches in diameter. You may need many of these vents to provide significant ventilation. I installed them through 3/4" pine in a covered patio and they work great for ventilating a small attic.
Does this fit in the wall or the soffit?
Asked by Seals22 November 21, 2015soffit
Can this be used to vent bathroom fans? How can a 4 in. duct be attached to it?
Asked by Ven October 13, 2017Yes a 4" duct would fit this but it may be too restrictive for a bathroom fan. It may also make the fan noisier with increased resistance.
After you cut a circular hole in the wood, does this just snap into the hole or do I need other h...
Asked by owner August 27, 2017The vent should just "snap" into the hole, you may use a silicone based caulk no screws are required. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
Will Latex House paint stick to this plastic?
Asked by BeachBum May 19, 2016Not for long
Out door laundry area.. Am I able to put these on the top of the door to allow circulation in the area?
Asked by Firsthand July 4, 2016Hello Firsthand, Whether you can or cannot put these on the top of the door will depend on the door. These vents are only 1" thick and are press fit in. You will have a vent on one side of the door and just a hole on the other. Left click on the photo of the product you are interested in at Home Depot.com. Then detailed installation instructions and product specifications can be found by clicking on the orange arrow beside the word “specification” which is below the product’s photo of on Home Depot.com. You will find an installations instructions and user guide in a box to the right. Read this over carefully to see if this is right for you. Thank you for your inquiry. Charlotte of the Home Depot Community.
What is the net free area?
Asked by Jim May 25, 2017The net-free area is 5.17 square inches.
What is the hole saw bit size needed to cut the hole and snap in the vent? Assuming they snap in.
Asked by DNADave April 25, 2017The actual hole is 4 inches (above specs are incorrect). There is a rim or flange that covers the cut.
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