30"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 31.75"h] 12" Diameter } /* ICON */ #hvac-product-accordion

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actual front end outer dimensions are approximately 38 5/8" width X 32 5/8" height -

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Actual Filter Size – 13 3/4"w x 11 3/4" x 1"

Design – Designed to withstand bends and sharp turns without kinking

30"w X 30"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 31.75"w x 31.75"h] 12" Diameter } /* ICON */ #hvac-product-accordion+ Product Details Size 30"w X 30"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 31. 75" Width X 31. 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