28"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 29.75"W X 35.75"H] w32h32 + Product Description Enhance your Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille

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

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

+ Product Details Size - 32"w X 16"h is the size for the duct opening measurement only

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28"W X 34"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 29.75"W X 35.75"H] w32h32 + Product Description Enhance your Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Description Enhance your HVAC system with our Aluminum Return Filter Linear Bar Grille + Product Description Maximize the efficiency of your ventilation system with our top of the line HVAC grilles and registers