8"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 35.75"h] w8h8 75"H – fits a 24"

75"H – fits a 24" X 6" duct opening

+ Product Details Size - 12"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 8"h is the size for the duct opening measurement only

Installation is hassle-free

Actual Filter Size – 7 3/4"w x 11 3/4" x 1"

8"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 9.75"w x 35.75"h] w8h8 75"H – fits a 24"+ Product Details Size 8"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 75" Width X 35. 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 wear