12"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 37.75"h] w26h26 75"H – fits a 18"

75"H – fits a 18" X 12" duct opening

+ Product Details Size - 14"w X 20"h is the size for the duct opening measurement only

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Actual Filter Size – 9 3/4"w x 25 3/4" x 1"

Elevate your living space with this sophisticated addition

12"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 37.75"h] w26h26 75"H – fits a 18"+ Product Details Size 12"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 75" Width X 37. 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