26" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 30 5/8"] Aluminum } (function () { const

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+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

The total outer size of this grille is the listed size plus 2 and 5/8"

+ Product Details Size - 24"w X 8"h is the size for the duct opening measurement only

Exceptional Craftsmanship: Hand-inspected for quality

26" X 28" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 28 5/8" X 30 5/8"] Aluminum } (function () { const+ Product Details Size 26"w X 28"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 28 5 8" width X 30 5 8" height Actual Filter Size 25 3 4"w x 27 3 4" x 1" High quality High quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Design Removable door face for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on