14"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 7.75"h] Aluminum + Product Details Size –

+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 32"h X 2"d (for duct opening measurement only)

5" wider - SEE BELOW HOW TO MEASURE A GRILLE

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made from durable galvanized steel metal to prevent rust and ensure long-lasting performance

14"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 7.75"h] Aluminum + Product Details Size –+ Product Details Size 14"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 7. 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