14"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 19.75"h] Material_Aluminum European: EN 10270-1-SM

European: EN 10270-1-SM

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+ Product Details Size - 14"w X 28"h X 2"d (for duct opening measurement only)

75"H – fits a 14" X 8" duct opening

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

14"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 19.75"h] Material_Aluminum European: EN 10270-1-SM+ Product Details Size 14"w X 18"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 9. 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