32"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 35.75"h] 14" Round Duct Pipe + Product Details Size –

+ Product Details Size – 14"w X 30"h is the size for the duct opening measurement only

+ Product Details Size – 18"w X 24"h is the size for the duct opening measurement only

Close For Winter To Prevent The Cold

Ideal for Walls & Ceilings: Designed for seamless installation in standard 8" X 4" duct openings

+ Product Details Size – 28" x 32" or 32" x 28" is the size for the duct opening measurement only

32"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 35.75"h] 14" Round Duct Pipe + Product Details Size –+ Product Details Size 32"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 35. 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