20"W X 4"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 21.75"W X 5.75"H] fixed bar + Product Details Size - Product Description Enhance your CRFG68 Victorian Floor Registers

+ Product Details Size - 24"w X 12"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 34"h is the size for the duct opening measurement only

Versatility and Durability: The red oak wood not only adds a touch of warmth and softness to your room but can also be sanded and refinished according to your specific application needs

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+ Product Details Size - 6"w X 6"h is the size for the duct opening measurement only

20"W X 4"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 21.75"W X 5.75"H] fixed bar + Product Details Size Product Description Enhance your CRFG68 Victorian Floor Registers + Product Details Size 24"w X 12"h is the size for the duct opening measurement only + Product Details Size 10"w X 34"h is the size for the duct opening measurement only