12"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 17.75"h] Color_R-8.0 Pink + Product Details Size –

+ Product Details Size – 8" x 36" or 36" x 8" is the size for the duct opening measurement only

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+ Product Details Size - 28"w X 24"h is the size for the duct opening measurement only

our product offers both aesthetic appeal and efficient airflow

+ Product Details Size - 10"w X 34"h is the size for the duct opening measurement only

12"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 17.75"h] Color_R-8.0 Pink + Product Details Size –+ Product Details Size 12"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 75" Width X 17. 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