20" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 28 5/8"] Grilles Pre-flared ends with nuts are

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

+ Product Details Size - 34"w X 26"h is the size for the duct opening measurement only

+ Product Details Size - 14"w X 16"h is the size for the duct opening measurement only

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

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

20" X 26" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 28 5/8"] Grilles Pre-flared ends with nuts are+ 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.