32"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 25.75"h] Compatible with Duct 8" + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 18" OR 18" x 24" duct opening (measured at the opening)

Our Aluminum Ceiling Diffuser is not only a design marvel but also a practical choice for your HVAC system

+ Product Details Size – 26"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 18"w X 26"h X 2"d (for duct opening measurement only)

+ Product Spec Sheet Corner Baseboard Grille Spec Sheet

32"w X 24"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 25.75"h] Compatible with Duct 8" + Product Details Perfect Fit+ Product Details Size 32"w X 24"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 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