36"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 37.75"w x 37.75"h] Material_Steel Premium Airflow Efficiency - High-performance

Premium Airflow Efficiency - High-performance cube core eggcrate design allows 95% airflow efficiency

actual front end outer dimensions are approximately 22 5/8" width X 22 5/8" height

actual front end outer dimensions are approximately 24 5/8" width X 20 5/8" height

color: #222

With its compact size and high-quality materials

36"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Brown [Outer Dimensions 37.75"w x 37.75"h] Material_Steel Premium Airflow Efficiency - High-performance+ Product Details Size 36"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 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