Ask Mylow

Mylow is an AI virtual assistant.

More Information

Is it suitable for steep roofs?How many do I need?Will this help with ice dams?What is the warranty period?What tools are needed for installation?

Air Vent Mill Galvanized steel Square Roof Louver

Name: Air Vent Mill Galvanized steel Square Roof Louver
Brand: Air Vent
SKU: 3122217
Price: 6.2 USD
Availability: InStock
Rating: 4.4 (25 reviews)

Shop Air Vent

4.4

Manufacturer Color/Finish: Mill

Pickup

Unavailable

Shipping

Thu, Oct 8

9 available

Delivery

Thu, Oct 15

99 available

Check Fee in Cart.

FREE with $25 Order. Outside Delivery.

Stepper number input field with increment and decrement buttons

In-use/lifestyle images - other products, materials, and/or accessories not included

Members save more.

Here are some similar items...

Air VentWeatherwood Aluminum Square Roof Louver

Air VentMill Galvanized steel Round Roof Louver

Air VentWeatherwood Galvanized steel Round Roof Louver

Air VentBlack Galvanized steel Round Roof Louver

Air VentGray Aluminum Square Roof Louver

Air VentWeatherwood Galvanized steel Square Roof Louver

Air VentBlack Galvanized steel Square Roof Louver

IMPERIALBlack Galvanized steel Square Roof Louver

Gibraltar Building ProductsBlack Plastic Square Roof Louver

Air VentBlack Plastic Slant-back Roof Louver

Air VentBlack Aluminum Slant-back Roof Louver

Air VentRVP61 Black Plastic Square Roof Louver

Air VentBlack Galvanized steel Slant-back Roof Louver

IMPERIALBlack Galvanized steel Square Roof Louver

Best Price. Guaranteed

Find a lower price on an exact item? We'll match it. Some exclusions apply.

Price Guarantee

FREE Returns

Return it in store or ship it back for free. Eligibility rules apply.

Return Policy

FREE Shipping

Delivery is on us for orders over $45. Some exclusions apply.

Shipping Details

Roof louvers are a type of attic exhaust vent that make up half of a balanced attic ventilation system for each roof. Intake vents make up the other half of the system. Together they help remove any built-up heat and moisture inside the attic for year-round ventilation. Use the Lowe's calculator to determine how many individual roof louvers are needed per roof.

Heavy-duty rust-free integral screen
50 Square inches of Net Free Area airflow each
Galvanized steel construction
Square-top design
Suitable for 3/12 to 8/12 roof pitch
Part of a balanced attic ventilation system for year-round airflow
Helps to fight heat and moisture buildup inside an attic as well as ice dams in cold climates
Requires intake ventilation for proper performance
Use the Lowe's online calculator to determine how many are needed for each attic

General
Color/Finish Family	Gray	Type	Square
Manufacturer Color/Finish	Mill	Material	Galvanized steel

Dimensions
Height (Inches)	4	Weight (lbs.)	3
Length (Inches)	16.75	Width (Inches)	15
Rough Opening Length (Inches)	8	Net Free Area (Sq. Inches)	50
Rough Opening Width (Inches)	8

Features
Damper Included	No	Screen Included	No
Rain Diverter Included	Yes

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -

Warranty
Warranty	5-year limited

Miscellaneous
UNSPSC	30151600

Check out the Best Selling Roof Louvers on Lowes.com

Review

4.4 out of 5

25 Reviews

2 Star

79% Recommend this product

Ratings may include incentivized customer reviews.

25 Customer Reviews

Sort By

Do not order online,they will be damaged.

Would Not Recommend

Very poor packaging ordered 8 pieces,every single one was damage,bent and scratched.nothing inside the box was used to protect them. They threw them in a big box and but a shipping label on it.now I have to drive an hour one way to return them.

Abe PalomaresAugust 28, 2026
From Black Galvanized steel Square Roof Louver

Was this Review Helpful ?

Would Not Recommend

BillJuly 26, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/b964151f-a71c-5bcb-98ac-afd97692394b

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/7fbf2fb7-d9f6-50ee-ab11-f930b604248c

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/5c7de010-261e-5064-af8d-c74ed7c31298

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/391b8338-a750-59ca-bf95-af97eabc4ae7

Was this Review Helpful ?

Good vent

Good product and easy to install, no complaints here

ZachJuly 16, 2026
From Black Galvanized steel Square Roof Louver Verified Purchaser

Was this Review Helpful ?

Inexpensive for its quality

Would Recommend

It's perfect for my roof

RyanApril 19, 2026
From Black Galvanized steel Square Roof Louver Verified Purchaser

Was this Review Helpful ?

Buy vents online....cheaper

Would Recommend

Ease of install

March 25, 2026
From Black Galvanized steel Square Roof Louver Verified Purchaser

Was this Review Helpful ?

Page 1 Page 2 Page 3

12 Questions

Read All Q&A

Sort By

Air Vent: Featured Videos

COMPARE PRODUCTS

		Name	Current Item Air VentMill Galvanized steel Square Roof Louver
		Ratings	25
		Type	Square
		Material	Galvanized steel
		Width (Inches)	15
Air VentWeatherwood Aluminum Square Roof Louver	Air VentBlack Aluminum Slant-back Roof Louver	Air VentGray Aluminum Square Roof Louver	Air VentBlack Galvanized steel Slant-back Roof Louver	Air VentBlack Aluminum Square Roof Louver	Air VentWeatherwood Galvanized steel Slant-back Roof Louver	Air VentRVP61 Gray Plastic Square Roof Louver	Air VentWeatherwood Aluminum Slant-back Roof Louver	Air VentBlack Plastic Slant-back Roof Louver
11	97	38	13	38	9	9	59	26
Square	Slant-back	Square	Slant-back	Square	Slant-back	Square	Slant-back	Slant-back
Aluminum	Aluminum	Aluminum	Galvanized steel	Aluminum	Galvanized steel	Plastic	Aluminum	Plastic
15	15	15.5	14	15.5	14	17	15	16