10"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 25.75"h] Black actual front end outer dimensions

actual front end outer dimensions are approximately 14 5/8" width X 20 5/8" height

actual front end outer dimensions are approximately 36 5/8" width X 10 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 20" OR 20" x 32" duct opening (measured at the opening)

+Product Details Size – 2"h x 12"w is the size for the duct opening measurement only

our Butterfly Damper simplifies the process of managing airflow

10"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 11.75"w x 25.75"h] Black actual front end outer dimensions+ Product Details Size 10"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 11. 75" Width X 25. 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