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 + Product Details Size –

+ Product Details Size – 34" x 36" or 36" x 34" 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

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

+ Product Details Size – 32"w X 36"h is the size for the duct opening measurement only

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 + Product Details Size –+ 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