26"W X 32"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 27.75"W X 33.75"H] w8h8 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 24" Wooden Corner Baseboard Grille

+ Product Details Size - 25"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 8"h is the size for the duct opening measurement only

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

actual front end outer dimensions are approximately 5

26"W X 32"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 27.75"W X 33.75"H] w8h8 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 24" Wooden Corner Baseboard Grille + Product Details Size 25"w X 36"h is the size for the duct opening measurement only