22"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 13.75"h] Fixed Blades with Damper + Product Details Outer dimensions:

+ Product Details Outer dimensions: – fits a duct opening

+ Product Details Size - 24"w X 8"h is the size for the duct opening measurement only

+ Product Details Size – 15" Wooden Corner Baseboard Grille

+ Product Details Size - 8"w X 12"h X 2"d (for duct opening measurement only)

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22"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 13.75"h] Fixed Blades with Damper + Product Details Outer dimensions:+ Product Details Size 22"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 13. 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