34"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 35.75"h] 10" Diameter Ideal for Walls & Ceilings:

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

actual front end outer dimensions are approximately 34 5/8" width X 12 5/8" height -

+ Product Details Size – 6" x 12" or 12" x 6" is the size for the duct opening measurement only

Solid Base for Stability – Built with a solid base for reliable mounting and stability

this grille is a testament to high standard craftsmanship

34"w X 34"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 35.75"h] 10" Diameter Ideal for Walls & Ceilings:+ Product Details Size 34"w X 34"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 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