26"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 11.75"h] 14in diameter + Product Details Size -

+ Product Details Size - 26"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 15" Corner Baseboard Grille - White - HVAC corner vent cover

+ Product Details Size – 30"w X 28"h is the size for the duct opening measurement only

and sound level range of NC 25 to 35

26"w X 10"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 11.75"h] 14in diameter + Product Details Size -+ Product Details Size 26"w X 10"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 11. 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