24"W X 20"H [Duct Opening] Steel Air Vent Return Grille - HVAC VENT DUCT COVER DIFFUSER - [Outer Dimensions: 25.75"W X 21.75"H] w30h30 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – 8" x 8" is the size for the duct opening measurement only

strong aluminum construction with smooth finished edges for easy and safe use

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

+ Product Details Size - 12"w X 32"h is the size for the duct opening measurement only

you have 16 different varieties to choose from

24"W X 20"H [Duct Opening] Steel Air Vent Return Grille HVAC VENT DUCT COVER DIFFUSER [Outer Dimensions: 25.75"W X 21.75"H] w30h30 + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – 8" x 8" is the size for the duct opening measurement only strong aluminum construction with smooth finished edges for easy and safe use