20" X 50" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 52 5/8"] 8in diameter cursor: pointer

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+ Product Details Size – 8" x 12" or 12" x 8" is the size for the duct opening measurement only

Design – Fixed Hinged for easy filter change & cleaning - uses a 1" thick filter

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

+ Product Details Size - 22"w X 6"h is the size for the duct opening measurement only

20" X 50" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 22 5/8" X 52 5/8"] 8in diameter cursor: pointer+ Product Details Size 20"w X 50"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 52 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and