26"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 29.75"h] Return Rigid Built For External Use–

Rigid Built For External Use– The sturdy and rigid design features noise free components that eliminates vibration and excess noise to the louvers

Experience enhanced indoor comfort with our 6" Butterfly Damper

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 34" OR 34" x 36" duct opening (measured at the opening)

Ideal for Walls & Ceilings: Designed for seamless installation in standard 6" X 6" duct openings

+ Product Details Size – 30" x 36" or 36" x 30" is the size for the duct opening measurement only

26"w X 28"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 29.75"h] Return Rigid Built For External Use–+ Product Details Size 26"w X 28"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 27. 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