20" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 28 5/8"] Grilles The total outer size of

The total outer size of this grille is the listed size plus 1

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

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Pre-flared ends with nuts are for simple and easy installation

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

20" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 28 5/8"] Grilles The total outer size of+ Product Details Size 20"w X 26"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 28 5 8" height Actual Filter Size 19 3 4"w x 25 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.