34"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 27.75"h] Compatible With Duct 8in The unique sponge gasket ensures

The unique sponge gasket ensures an airtight seal

Center Core is Removable for Easy Access and Maintence

Dimensions With Outer End are 15

our carefully crafted products offer superior performance

+ Product Details Size - 18"w X 36"h is the size for the duct opening measurement only

34"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 35.75"w x 27.75"h] Compatible With Duct 8in The unique sponge gasket ensures+ Product Details Size 34"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 35. 75" Width X 27. 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