24" X 30" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Color_White + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 8"w X 24"h is the size for the duct opening measurement only

Design – Individually adjusting curved blades for better air flow control

+ Product Details Size – 24"w X 20"h is the size for the duct opening measurement only

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

actual front end outer dimensions are approximately 32 5/8" width X 10 5/8" height -

24" X 30" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Color_White + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 8"w X 24"h is the size for the duct opening measurement only Design – Individually adjusting curved blades for better air flow control