26"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 27.75"h] Grille + Product Details Size –

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

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with actual outer dimensions of 12

these louvers are built to last

Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 10" duct openings

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