32"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 31.75"h] Brown + Product Details Size –

+ Product Details Size – 20" x 30" or 30" x 20" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 24 5/8" width X 18 5/8" height

+ Product Details Size - 32"w X 32"h X 2"d (for duct opening measurement only)

Actual Filter Size – 11 3/4"w x 11 3/4" x 1"

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10” x 8” duct openings

32"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 31.75"h] Brown + Product Details Size –+ Product Details Size 32"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 31. 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