14" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 27 5/8"] w12h12 getElementById('hvac-product-accordion')

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+ Product Details Size - 28"w X 14"h is the size for the duct opening measurement only

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It has an outer surface made of high-quality aluminum foil and an inner surface made of metalized PET with inside high-tensile spring steel wire

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

14" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 16 5/8" X 27 5/8"] w12h12 getElementById('hvac-product-accordion')+ Product Details Size 14"w X 25"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 16 5 8" width X 27 5 8" height Actual Filter Size 13 3 4"w x 24 3 4" x 1" High Quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Sidewall and ceiling Design Removable door face for easy filter change & cleaning uses a 1" thick filter.