30"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 7.75"h] w10h10 + Product Details Size –

+ Product Details Size – 32"w X 28"h is the size for the duct opening measurement only

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

actual front end outer dimensions are approximately 21 5/8" width X 31 5/8" height

actual front end outer dimensions are approximately 24 5/8" width X 24 5/8" height

+ Product Details Size – 24" x 28" or 28" x 24" is the size for the duct opening measurement only

30"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 7.75"h] w10h10 + Product Details Size –+ Product Details Size 30"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 7. 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