12" X 6" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White White + Product Details Size -

+ Product Details Size - 22"w X 10"h is the size for the duct opening measurement only

8" Diameter Is The Size For The Duct Opening Measurement Only

Size - 10"w X 10"h is the size for the duct opening measurement only

By means of the smooth surface

High Quality – No sharp surface edges

12" X 6" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White White + Product Details Size -+ Product Details Size 12"w X 4"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 13. 75" Width X 7. 75" Height SEE BELOW IN DESCRIPTION How To Measure A Grille Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed. High Quality Easy unrestricted airflow for your HVAC system 7 8" margin turnback. Carefully Shrink Wrapped With cardboard backing to prevent damage in shipment