34"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 13.75"h] 6in diameter + Product Details Size –

+ Product Details Size – 6" x 16" or 16" x 6" is the size for the duct opening measurement only

75"H – fits a 10" X 6" duct opening

+ Product Details Size - 26"w X 8"h X 2"d (for duct opening measurement only)

+ Product Details Size - 12"w X 24"h X 2"d (for duct opening measurement only)

actual front end outer dimensions are approximately 38 5/8" width X 14 5/8" height -

34"w X 12"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 13.75"h] 6in diameter + Product Details Size –+ Product Details Size 34"w X 12"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 13. 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