25" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 27 5/8" X 22 5/8"] 8" Diameter 875" height

875" height

Actual Filter Size – 11 3/4"w x 23 3/4" x 1"

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 4

Design – Rigid gauge built for durability and long life in mind

25" X 20" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 27 5/8" X 22 5/8"] 8" Diameter 875" height+ Product Details Size 25"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 22 5 8" height Actual Filter Size 24 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.