26"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 27.75"w x 19.75"h] w6h6 + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in
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Description
26"w X 18"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 27.75"w x 19.75"h] w6h6 + Product Details Perfect Fit 4 X 12 Is CRFG2028 Width_14in + Product Details Perfect Fit & Easy Sizing Designed for a 14" x 25" OR 25" X 14" duct opening (measured at the opening) Actual Filter Size – 24 3 4"w x 21 3 4" x 1"