14"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 23.75"h] Insulated Line Set + Product Details Size -

+ Product Details Size - 4"w X 28"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 18" OR 18" x 36" duct opening (measured at the opening)

+ Product Description Upgrade your HVAC system with a high-quality aluminum return grille designed for a clean

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Transform your space's exterior with our reliable and stylish louvers today

14"w X 22"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 23.75"h] Insulated Line Set + Product Details Size -+ Product Details Size 14"w X 22"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 23. 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