6"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 29.75"h] 14" Diameter actual front end outer dimensions

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height

With a 6" diameter for the duct opening measurement

actual front end outer dimensions are approximately 12 5/8" width X 10 5/8" height

Install it with ease on your ceilings to transform your space

6"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 29.75"h] 14" Diameter actual front end outer dimensions+ Product Details Size 6"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 7. 75" Width X 29. 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 wear