34"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 25.75"h] Grille Actual Front End Outer Dimensions

Actual Front End Outer Dimensions Are 16" Diameter

+ Product Description Introducing the 6" Butterfly Damper – Your Solution for Controlled Airflow

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 28" or 28" x 8" duct opening (measured at the opening)

+ Product Details Size - 26"w X 32"h X 2"d (for duct opening measurement only)

34"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 25.75"h] Grille Actual Front End Outer Dimensions+ Product Details Size 34"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 25. 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