22"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 37.75"h] 12in diameter + Product Description This aluminum

+ Product Description This aluminum flex duct is intended to be used in heating

actual front end outer dimensions are 26

With its compact size and high-quality materials

75"H – fits a 16" X 6" duct opening

+ Product Details Size – 18"w X 26"h is the size for the duct opening measurement only

22"w X 36"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 37.75"h] 12in diameter + Product Description This aluminum+ Product Details Size 22"w X 36"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 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