34"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 33.75"h] Color_Red Oak + Product Details Size –

+ Product Details Size – 24"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are 6" diameter

pair it with our butterfly dampers

+ Product Details Size - 25"w X 14"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 36"h is the size for the duct opening measurement only

34"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 33.75"h] Color_Red Oak + Product Details Size –+ Product Details Size 34"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 33. 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