10"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 19.75"h] Fixed Blades with Damper Adjust the airflow to your

Adjust the airflow to your preference by simply opening or closing the top panel

actual front end outer dimensions are approximately 24 5/8" width X 22 5/8" height

With easy installation

actual front end outer dimensions are approximately 26 5/8" width X 12 5/8" height -

+ Product Details Size - 6"w X 36"h X 2"d (for duct opening measurement only)

10"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 19.75"h] Fixed Blades with Damper Adjust the airflow to your+ Product Details Size 10"w X 18"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 19. 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