6"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 15.75"h] steel + Product Details Size –

+ Product Details Size – 12" x 24" or 24" x 12" is the size for the duct opening measurement only

strong aluminum construction with smooth finished edges for easy and safe use

please note that the total outer dimensions of the grille measure 14" in diameter

Actual Front End Outer Dimensions Are 12" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

6"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 7.75"w x 15.75"h] steel + Product Details Size –+ Product Details Size 6"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 7. 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 wear