10" X 20" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 12 5/8" X 22 5/8"] w26h26 + Product Details Size - Product Description Enhance your CRFG68 Victorian Floor Registers

+ Product Details Size - 28"w X 26"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 48"w X 24"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 26 5/8" height -

10" X 20" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 12 5 8" X 22 5 8"] w26h26 + Product Details Size Product Description Enhance your CRFG68 Victorian Floor Registers + Product Details Size 28"w X 26"h is the size for the duct opening measurement only + Product Details Size 25"w X 20"h is the size for the duct opening measurement only