32"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 7.75"h] Powder Coated padding: 20px

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+ Product Details Size - 22"w X 24"h is the size for the duct opening measurement only

Adjustable airflow control – Adjustable airflow control: The system allows users to customize the amount of air supply

+ Product Details Size – 34" x 36" or 36" x 34" is the size for the duct opening measurement only

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

32"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 7.75"h] Powder Coated padding: 20px+ Product Details Size 32"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 7. 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