24"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 23.75"h] Color_Anodized Aluminum Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 29 3/4" x 1"

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+ Product Details Size – 20"w X 12"h is the size for the duct opening measurement only

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

24"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 23.75"h] Color_Anodized Aluminum Actual Filter Size – 13+ Product Details Size 24"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 23. 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