28"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 25.75"h] RG66 Black-HP The total outer size of

The total outer size of this grille is the listed size

+ Product Details Size - 25"w X 20"h is the size for the duct opening measurement only

875" width X 7

actual front end outer dimensions are approximately 16 5/8" width X 10 5/8" height -

28"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 25.75"h] RG66 Black-HP The total outer size of+ Product Details Size 28"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 75" Width X 25. 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