26"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 15.75"h] Insulated Line actual front end outer dimensions

actual front end outer dimensions are approximately 30 5/8" width X 22 5/8" height

+ Product Details Size - 16"w X 26"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 32"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 34 5/8" width X 32 5/8" height

26"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 15.75"h] Insulated Line actual front end outer dimensions+ Product Details Size 26"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 15. 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