12" X 22" Steel Return Air Filter Grille for 1" Filter - Removable Frame - [Outer Dimensions: 14 5/8" X 24 5/8"] Grilles actual front end outer dimensions Suitable for all AC 8in diameter 12125SDCLNGBX

actual front end outer dimensions are approximately 36 5/8" width X 36 5/8" height

+ Product Details Size – 8" x 16" or 16" x 8" is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 31 3/4" x 1"

+ Product Details Size - 32"w X 25"h is the size for the duct opening measurement only

12" X 22" Steel Return Air Filter Grille for 1" Filter Removable Frame [Outer Dimensions: 14 5 8" X 24 5 8"] Grilles actual front end outer dimensions Suitable for all AC 8in diameter 12125SDCLNGBX actual front end outer dimensions are approximately 36 5 8" width X 36 5 8" height + Product Details Size – 8" x 16" or 16" x 8" is the size for the duct opening measurement only