36"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 11.75"h] Grilles actual front end outer dimensions

actual front end outer dimensions are 16" width X 8" height

+ Product Details Size – 24"w X 18"h is the size for the duct opening measurement only

+ Product Details Size – 22" x 24" or 24" x 22" is the size for the duct opening measurement only

Carefully packaged for protection during shipment

36"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 37.75"w x 11.75"h] Grilles actual front end outer dimensions+ Product Details Size 36"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 37. 75" Width X 11. 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