20" X 25" Steel Return Air Filter Grille for 1" Filter - Removable Frame - Black - [Outer Dimensions: 22 5/8" X 27 5/8"] 8in diameter actual front end outer dimensions CRFG2028 Width_14in 4 X 12 Is

actual front end outer dimensions are approximately 28 5/8" width X 10 5/8" height

Actual Filter Size – 25 3/4"w x 29 3/4" x 1"

Upgrade today for better performance and cleaner air

+ Product Details Size – 22"w X 36"h is the size for the duct opening measurement only

+ Product Details Size – 8" x 20" or 20" x 8" is the size for the duct opening measurement only

20" X 25" Steel Return Air Filter Grille for 1" Filter Removable Frame Black [Outer Dimensions: 22 5 8" X 27 5 8"] 8in diameter actual front end outer dimensions CRFG2028 Width_14in 4 X 12 Is actual front end outer dimensions are approximately 28 5 8" width X 10 5 8" height Actual Filter Size – 25 3 4"w x 29 3 4" x 1"