20" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 18 5/8"] Filter Grille + Product Details Size - Product Description Enhance your CRFG68 Victorian Floor Registers

+ Product Details Size - 18"w X 30"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

actual front end outer dimensions are approximately 22 5/8" width X 12 5/8" height -

each available in a variety of high-quality materials like brushed nickel

+ Product Details Size - 22"w X 34"h is the size for the duct opening measurement only

20" X 16" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 22 5 8" X 18 5 8"] Filter Grille + Product Details Size Product Description Enhance your CRFG68 Victorian Floor Registers + Product Details Size 18"w X 30"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