36"W X 14"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 37.75"W X 15.75"H] Adjustable Return background-color: #000 Product Description Enhance your CRFG68 Victorian Floor Registers

background-color: #000

Each grille is carefully packaged with cardboard backing to prevent damage during shipment

+ Product Details Size - 20"w X 25"h is the size for the duct opening measurement only

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+ Product Description Maximize the efficiency of your ventilation system with our top-of-the-line HVAC grilles and registers

36"W X 14"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 37.75"W X 15.75"H] Adjustable Return background color: #000 Product Description Enhance your CRFG68 Victorian Floor Registers background color: #000 Each grille is carefully packaged with cardboard backing to prevent damage during shipment