28"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 27.75"h] Material_Anodized Aluminum this diffuser ensures long-lasting durability

this diffuser ensures long-lasting durability and adds a touch of elegance to any space

+ Product Details Size - 25"w X 24"h is the size for the duct opening measurement only

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+ Product Details Size – 15" Wooden Corner Baseboard Grille

28"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 27.75"h] Material_Anodized Aluminum this diffuser ensures long-lasting durability+ Product Details Size 28"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 29. 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