12"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 37.75"h] Color_Black display === '') { dd

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actual front end outer dimensions are approximately 28 5/8" width X 32 5/8" height

75"H – fits a 16" X 6" duct opening

actual front end outer dimensions are approximately 12 5/8" width X 36 5/8" height

+ Product Details Size - 30"w X 16"h is the size for the duct opening measurement only

12"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 13.75"w x 37.75"h] Color_Black display === '') { dd+ Product Details Size 12"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 13. 75" Width X 37. 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