12" x 12" - 2-Way Extruded Aluminum Ceiling Diffuser Square - HVAC Vent Cover Color_R-4.2 Yellow + Product Details Size - 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size - 6" X 6" is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 10 5/8" height

+Why Hvac Premium HVAC Premium has been providing superior quality service for many years

75"H – fits a 24" X 8" duct opening

+ Product Details Size - 26"w X 20"h is the size for the duct opening measurement only

12" x 12" 2 Way Extruded Aluminum Ceiling Diffuser Square HVAC Vent Cover Color_R 4.2 Yellow + Product Details Size 4 X 12 Is CRFG2028 Width_14in + Product Details Size 6" X 6" is the size for the duct opening measurement only actual front end outer dimensions are approximately 20 5 8" width X 10 5 8" height