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] Material_Aluminum textContent = isOpen

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actual front end outer dimensions are approximately 23 5/8" width X 7 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 14" X 4" duct openings

actual front end outer dimensions are approximately 24 5/8" width X 31 5/8" height

With a 6" diameter for the duct opening measurement

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] Material_Aluminum textContent = isOpen+ 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