24"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 15.75"h] 12in diameter + Product Details Size -

+ Product Details Size - 10"w X 14"h X 2"d (for duct opening measurement only)

ensuring they don't overlap

75" width X 35

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 18" OR 18" x 24" duct opening (measured at the opening)

Filter grille features a user-friendly plastic latch that requires no screwdriver for opening

24"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 15.75"h] 12in diameter + Product Details Size -+ Product Details Size 24"w X 14"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 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