26"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 21.75"h] w12h12 this grille boasts a sleek

this grille boasts a sleek frame that ensures a refined and seamless look

+ Product Details Size – 28"w X 28"h is the size for the duct opening measurement only

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+ Product Details Size – 20" x 22" or 22" x 20" is the size for the duct opening measurement only

+ Product Details Size – 12"w X 30"h is the size for the duct opening measurement only

26"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 21.75"h] w12h12 this grille boasts a sleek+ Product Details Size 26"w X 20"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 21. 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