28"W X 25"H (Duct Opening) Return Air Steel Vent Grille - HVAC Vent Duct Cover Diffuser - (Outer Dimensions: 29.75"W X 26.75"H) Black 5" wider on each side Product Description Enhance your CRFG68 Victorian Floor Registers

5" wider on each side

High Quality – Rigid aluminum construction with counter-sunk screw holes (screws included) and no sharp edges

Filter Size - 23

Our straight register boot is made of high-quality galvanized steel metal for durability and rust prevention

+ Product Details Size & Compatibility – The size of the side round ceiling box is 12" X 12" X 7" and it is compatible with duct 7"

28"W X 25"H (Duct Opening) Return Air Steel Vent Grille HVAC Vent Duct Cover Diffuser (Outer Dimensions: 29.75"W X 26.75"H) Black 5" wider on each side Product Description Enhance your CRFG68 Victorian Floor Registers 5" wider on each side High Quality – Rigid aluminum construction with counter sunk screw holes (screws included) and no sharp edges