24"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE - Easy Air Flow - Linear Bar Grilles [Outer Dimensions: 25.875"W X 11.875"H] Material_Aluminum + Product Description Improve your 4 X 12 Is CRFG2028 Width_14in

+ Product Description Improve your HVAC system with our high-quality

75" Width X 21

actual front end outer dimensions are approximately 25" width X 25" height -

The integral multi-shutter damper with a convenient handle operator ensures that you can easily adjust the air volume

+ Product Details Size - 32"w X 12"h X 2"d (for duct opening measurement only)

24"W X 10"H [Duct Opening] ALUMINUM RETURN GRILLE Easy Air Flow Linear Bar Grilles [Outer Dimensions: 25.875"W X 11.875"H] Material_Aluminum + Product Description Improve your 4 X 12 Is CRFG2028 Width_14in + Product Description Improve your HVAC system with our high quality 75" Width X 21