10"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 19.75"h]

+ Product Details Size - 10"w X 18"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11.75" Width X 19.75" 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 wear through leaving the material with an elegant, beautiful, and smooth surface, adds a luxurious touch to any home. Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment Rigid Built For External Use – The sturdy and rigid design features noise-free components that eliminate vibration and excess noise to the louvers. These are built heavy duty for installation into brick and cement walls.