26"W X 12"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 27.75"W X 13.75"H] w30h30 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

this flex duct decreases the pressure loss and provides a more hygienic environment

actual front end outer dimensions are approximately 8

Choose our premium HVAC grilles and registers for long-lasting durability

+ Product Details Size - 6"w X 28"h is the size for the duct opening measurement only

26"W X 12"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 27.75"W X 13.75"H] w30h30 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 20"w X 10"h is the size for the duct opening measurement only this flex duct decreases the pressure loss and provides a more hygienic environment