25"W X 34"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 26.75"W X 35.75"H] Grille + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 24"w X 8"h is the size for the duct opening measurement only

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

+ Product Details Size - 36"w X 26"h is the size for the duct opening measurement only

+ Product Details Size - 25"w X 10"h is the size for the duct opening measurement only

antique bronze

25"W X 34"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 26.75"W X 35.75"H] Grille + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 24"w X 8"h is the size for the duct opening measurement only + Product Details Size – 26"w X 14"h is the size for the duct opening measurement only