18"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 17.75"h] w32h32 actual front end outer dimensions

actual front end outer dimensions are approximately 22 5/8" width X 26 5/8" height

+ Product Description Introducing HVAC Premium's Aluminum Adjustable Return Grill – the key to enhanced air control and energy efficiency

+ Product Details Size – 10" round duct opening-

+ Product Details Size - 8"w X 36"h X 2"d (for duct opening measurement only)

18"w X 16"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 19.75"w x 17.75"h] w32h32 actual front end outer dimensions+ Product Details Size 18"w X 16"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 19. 75" Width X 17. 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