25" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 27 5/8" X 14 5/8"] 18" Diameter + Product Details Size - Product Description Enhance your CRFG68 Victorian Floor Registers

+ Product Details Size - 25"w X 28"h is the size for the duct opening measurement only

[Outer Dimensions: 14

+ Product Details Size – 16"w X 10"h is the size for the duct opening measurement only

+ Product Details Size – 12" X 4" is the size for the duct opening (floor/vent hole) measurement only

+ Product Details Size - 30"w X 32"h is the size for the duct opening measurement only

25" X 12" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 27 5 8" X 14 5 8"] 18" Diameter + Product Details Size Product Description Enhance your CRFG68 Victorian Floor Registers + Product Details Size 25"w X 28"h is the size for the duct opening measurement only [Outer Dimensions: 14