32"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 7.75"h] ceiling Each grille is carefully packaged

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

High Quality – High-quality steel with counter-sunk screw holes (screws included) and no sharp edges

Ideal for Walls & Ceilings: Designed for seamless installation in standard 20" X 8" duct openings

Actual Filter Size – 29 3/4"w x 35 3/4" x 1"

+ Product Details Size – 10" round duct opening-

32"w X 6"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 7.75"h] ceiling Each grille is carefully packaged+ Product Details Size 32"w X 6"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 7. 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 wear