24"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 23.75"h] Brown + Product Details Size –

+ Product Details Size – 12" x 22" or 22" x 12" is the size for the duct opening measurement only

We carry sizes the big box stores don't

and sound level range of NC 25 to 35

which the interior PET provides

Actual Filter Size – 19 3/4"w x 19 3/4" x 1"

24"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 23.75"h] Brown + Product Details Size –+ Product Details Size 24"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 23. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never