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] 8" Diameter + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 20" OR 20" x 36" duct opening (measured at the opening)

+ Product Details Size - 28"w X 14"h X 2"d (for duct opening measurement only)

making it an ideal choice for both residential and commercial settings

This grille is ideal for both sidewall and ceiling installations

actual front end outer dimensions are 23

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] 8" Diameter + 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