24"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 31.75"h] Powder-Coated + Product Details Size -

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

+ Product Details Size - 8"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 8"w X 12"h X 2"d (for duct opening measurement only)

High Quality – High-quality rust-free

+ Product Details Size – 10" x 16" or 16" x 10" is the size for the duct opening measurement only

24"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 25.75"w x 31.75"h] Powder-Coated + Product Details Size -+ Product Details Size 24"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 25. 75" Width X 31. 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