26"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 27.75"h] d + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 22" duct opening (measured at the opening)

+ Product Description Enhance your HVAC system's efficiency and your home's aesthetics with our premium aluminum air vent diffuser

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Design – removable frame for easy filter change & cleaning - uses a 1" thick filter

Actual Filter Size – 29 3/4"w x 9 3/4" x 1"

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