20" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 22 5/8" X 22 5/8"] steel accordion-header h3 { margin: 0

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actual front end outer dimensions are approximately 18 5/8" width X 38 5/8" height -

+ Product Description Introducing our High-Quality Copper Coil

Its professional design and solid construction make it the perfect solution for safeguarding your thermostat against unwanted access

Actual Filter Size – 9 3/4"w x 27 3/4" x 1"

20" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 22 5/8" X 22 5/8"] steel accordion-header h3 { margin: 0+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 22 5 8" width X 22 5 8" height Actual Filter Size 19 3 4"w x 19 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.