22"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 27.75"h] 8in diameter Actual Filter Size – 11

Actual Filter Size – 11 3/4"w x 13 3/4" x 1"

75"H – fits a 24" X 8" duct opening

fasten the edges to studs with the provided screws

Actual Filter Size – 11 3/4"w x 5 3/4" x 1"

22"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 27.75"h] 8in diameter Actual Filter Size – 11+ Product Details Size 22"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 27. 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