22" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Ceiling + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 14"w X 16"h is the size for the duct opening measurement only

+ Product Details Size – 32"w X 36"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 8"h is the size for the duct opening measurement only

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

+ Product Details Size – 12" X 4" is the size for the duct opening (floor/vent hole) measurement only

22" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Ceiling + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 14"w X 16"h is the size for the duct opening measurement only + Product Details Size – 32"w X 36"h is the size for the duct opening measurement only