10" X 8" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 9.75"H] 8in diameter please note that the total 4 X 12 Is CRFG2028 Width_14in

please note that the total outer dimensions of the grille measure 7" in diameter

+ Product Details Size – 32"w X 22"h is the size for the duct opening measurement only

font-weight: 500

actual front end outer dimensions are approximately 27 5/8" width X 14 5/8" height

+ Product Details Size - 24"w X 32"h is the size for the duct opening measurement only

10" X 8" [Duct Opening] 1 Way Air Vent Adjustable Aluminum Curved Blades Integral Multi Shutter Damper HVAC Diffuser [Outer Dimensions: 11.75"W X 9.75"H] 8in diameter please note that the total 4 X 12 Is CRFG2028 Width_14in please note that the total outer dimensions of the grille measure 7" in diameter + Product Details Size – 32"w X 22"h is the size for the duct opening measurement only