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 air supply register is

this air supply register is ideal for sidewall and ceiling applications

our Radial Damper simplifies the process of managing airflow

actual front end outer dimensions are approximately 18 5/8" width X 18 5/8" height

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

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 air supply register is+ 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