26"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 13.75"h] w20h20 + Product Details Size -

+ Product Details Size - 8"w X 24"h is the size for the duct opening measurement only

no sharp edges & easy to clean

ventilating and cooling

High Quality –High quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size – 30" x 34" or 34" x 30" is the size for the duct opening measurement only

26"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 13.75"h] w20h20 + Product Details Size -+ Product Details Size 26"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 13. 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