22"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 9.75"h] Material_Anodized Aluminum Compatible with 24x24 openings and

Compatible with 24x24 openings and built from durable

+ Product Details Size – 8"w X 36"h is the size for the duct opening measurement only

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+ Product Details Size – 10"w X 16"h is the size for the duct opening measurement only

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22"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 9.75"h] Material_Anodized Aluminum Compatible with 24x24 openings and+ Product Details Size 22"w X 8"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 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