20" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Floor Grille + Product Description Introducing the 4 X 12 Is CRFG2028 Width_14in

+ Product Description Introducing the Louver Floor Register from HVAC Premium – your gateway to enhanced home comfort and style

+ Product Details Size - 12"w X 10"h is the size for the duct opening measurement only

+ Product Details Size - 36"w X 28"h is the size for the duct opening measurement only

+ Product Details Size – 10"w X 6"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 7

20" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER HVAC Vent Duct Cover Sidewall or Ceiling Floor Grille + Product Description Introducing the 4 X 12 Is CRFG2028 Width_14in + Product Description Introducing the Louver Floor Register from HVAC Premium – your gateway to enhanced home comfort and style + Product Details Size 12"w X 10"h is the size for the duct opening measurement only