20"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - White [Outer Dimensions 21.75"w x 21.75"h] w8h8 minimizing waste Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

minimizing waste

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+ Product Details Size – 6"w X 14"h is the size for the duct opening measurement only

High Quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size – 32"w X 6"h is the size for the duct opening measurement only

20"w X 20"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh White [Outer Dimensions 21.75"w x 21.75"h] w8h8 minimizing waste Compatible With Duct 7in Applications This sheet metal DDAG A 1212 minimizing waste } (function () { const container = document