6"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 7.875"W X 7.875"H] Adjustable Return + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 6"w X 12"h is the size for the duct opening measurement only

allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system

+ Product Details Size - 30"w X 25"h is the size for the duct opening measurement only

875" width X 13

Key Features:

6"W X 6"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 7.875"W X 7.875"H] Adjustable Return + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 6"w X 12"h is the size for the duct opening measurement only allowing you to update the aesthetic in your home without losing valuable seasonal control of your HVAC system