16"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 17.75"W X 13.75"H] Insulated Line provides a modern look and Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

provides a modern look and quiet operation due to its half-inch by half-inch cube design

+ Product Details Size - 20"w X 32"h is the size for the duct opening measurement only

thanks to counter-sunk screw holes and included screws

+ Product Details Size - 14"w X 26"h is the size for the duct opening measurement only

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16"W X 12"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 17.75"W X 13.75"H] Insulated Line provides a modern look and Compatible With Duct 7in Applications This sheet metal DDAG A 1212 provides a modern look and quiet operation due to its half inch by half inch cube design + Product Details Size 20"w X 32"h is the size for the duct opening measurement only