28" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 14"w X 26"h is the size for the duct opening measurement only

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

Actual Filter Size – 11 3/4"w x 7 3/4" x 1"

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28" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 14"w X 26"h is the size for the duct opening measurement only * more vertical + left spacing * } * OPEN STATE * #hvac product accordion