6"W X 32"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 7.75"W X 33.75"H] w6h6 + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 24"w X 2"h is the size for the duct opening measurement only

+ Product Details Size - 34"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 14"h is the size for the duct opening measurement only

that will overlap at wall joint

75" width X 3

6"W X 32"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 7.75"W X 33.75"H] w6h6 + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 24"w X 2"h is the size for the duct opening measurement only + Product Details Size 34"w X 22"h is the size for the duct opening measurement only