10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh -[Outer Dimensions 11.75"w x 11.75"h] Grilles actual front end outer dimensions

actual front end outer dimensions are approximately 20 5/8" width X 36 5/8" height

European: EN 10270-1-SM

and scratch-resistant surface that enhances the aesthetics of any room

actual front end outer dimensions are approximately 38 5/8" width X 18 5/8" height -

actual front end outer dimensions are approximately 10 5/8" width X 18 5/8" height

10"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh -[Outer Dimensions 11.75"w x 11.75"h] Grilles actual front end outer dimensions+ Product Details Size 10"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 11. 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