18" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 20 5/8" X 20 5/8"] Material_Steel Sleek Design – The clear

Sleek Design – The clear and unobtrusive design ensures it blends seamlessly with any home

+ Product Details Size – 14" x 14" is the size for the duct opening measurement only

Actual Filter Size – 7 3/4"w x 31 3/4" x 1"

actual front end outer dimensions are approximately 16 5/8" width X 12 5/8" height

High Standard Quality - Every part is hand inspected for quality before it is packaged

18" X 18" Steel Return Air Filter Grille for 1" Filter - Removable Frame - * Filter Included * [Outer Dimensions: 20 5/8" X 20 5/8"] Material_Steel Sleek Design – The clear+ Product Details Size 18"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 20 5 8" width X 20 5 8" height Actual Filter Size 17 3 4"w x 17 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.