26"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 23.75"h] 8" Round Duct Pipe designed for optimal airflow and

designed for optimal airflow and efficiency

+ Product Details Size – 25"w X 18"h is the size for the duct opening measurement only

The powder-coated finish ensures a sleek look while protecting the grille from wear and tear

High Standard Quality - Every part is hand inspected for quality before it is packaged

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 30" OR 30" x 18" duct opening (measured at the opening)

26"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 23.75"h] 8" Round Duct Pipe designed for optimal airflow and+ Product Details Size 26"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 75" Width X 23. 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