8"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 9.75"w x 9.75"h] Height_32in + Product Details Size -

+ Product Details Size - 22"w X 18"h X 2"d (for duct opening measurement only)

+ Product Details Size - 34"w X 26"h X 2"d (for duct opening measurement only)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 10" duct openings

Always measure the actual opening in your ceiling or wall

+ Product Details Size & Compatibility – The 8" stick-on Side take-off is compatible with duct 8"

8"w X 8"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - Black [Outer Dimensions 9.75"w x 9.75"h] Height_32in + Product Details Size -+ Product Details Size 8"w X 8"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 9. 75" Width X 9. 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