16"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 23.75"h] 12" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 12 5/8" width X 22 5/8" height

actual front end outer dimensions are approximately 18 5/8" width X 8 5/8" height -

Its sleek contours bring a touch of modern sophistication to any room

+ Product Details Size – 28"w X 10"h is the size for the duct opening measurement only

The premium durable material guarantees that they will never rust or wear through

16"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 17.75"w x 23.75"h] 12" Diameter actual front end outer dimensions+ Product Details Size 16"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 17. 75" Width X 23. 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