14"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 37.75"h] 1-Way + Product Details Size -

+ Product Details Size - The listed 12" diameter refers specifically to the size of the duct opening

actual front end outer dimensions are approximately 26 5/8" width X 20 5/8" height

this guard is designed to provide maximum protection against tampering while maintaining a clean and professional appearance

+ Product Details Size – 28"w X 36"h is the size for the duct opening measurement only

75"H – fits a 20" X 6" duct opening

14"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 37.75"h] 1-Way + Product Details Size -+ Product Details Size 14"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 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