22"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 33.75"h] w10h10 + Product Details Size -

+ Product Details Size - 12"w X 24"h is the size for the duct opening measurement only

designed for superior airflow (up to 95%) and easy filter access

+ Product Details Size - 20"w X 30"h X 2"d (for duct opening measurement only)

engineered for seamless 360-degree airflow in T-bar ceilings

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 34" Or 34" x 32" duct opening (measured at the opening)

22"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 23.75"w x 33.75"h] w10h10 + Product Details Size -+ Product Details Size 22"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 23. 75" Width X 33. 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