32"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 29.75"h] Powder-Coat The 1/2" white insulation

The 1/2" white insulation

The integral design allows you to easily adjust the curved blades

actual front end outer dimensions are approximately 32 5/8" width X 12 5/8" height -

actual front end outer dimensions are approximately 28 5/8" width X 20 5/8" height

+ Product Details Size – 34"w X 20"h is the size for the duct opening measurement only

32"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 33.75"w x 29.75"h] Powder-Coat The 1/2" white insulation+ Product Details Size 32"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 33. 75" Width X 29. 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