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 actual front end outer dimensions

actual front end outer dimensions are 17" Width X 17" Height

actual front end outer dimensions are approximately 20 5/8" width X 32 5/8" height

Ideal for Walls & Ceilings: Designed for seamless installation in standard 24" X 10" duct openings

Actual Filter Size – 15 3/4"w x 31 3/4" x 1"

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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 actual front end outer dimensions+ 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