36"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 27.75"h] w28h28 accordion-item

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 12" OR 12" x 24" duct opening (measured at the opening)

+ Product Details Size – 24" x 26" or 26" x 24" is the size for the duct opening measurement only

+ Product Details Size - 8"w X 28"h X 2"d (for duct opening measurement only)

Roundover Beveled Edges

36"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 27.75"h] w28h28 accordion-item+ Product Details Size 36"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 27. 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