30"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 33.75"h] 10" Diameter The total outer size of

The total outer size of this grille is the listed size plus 2

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

Produced in accordance with ISO 9001-2008 Quality Management System

Actual Filter Size – 24 3/4"w x 25 3/4" x 1"

+ Product Details Size - 26"w X 22"h X 2"d (for duct opening measurement only)

30"w X 32"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 33.75"h] 10" Diameter The total outer size of+ Product Details Size 30"w X 32"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 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