14" X 14" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Color_Red Oak Wood For 8" Round Duct Opening

For 8" Round Duct Opening - Spiral or Flex

+ Product Details Size – 18"w X 8"h is the size for the duct opening measurement only

rust-free aluminum

Actual Filter Size – 21 3/4"w x 15 3/4" x 1"

+ Product Details Size – 6" round duct opening-

14" X 14" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Color_Red Oak Wood For 8" Round Duct Opening+ Product Details Size 14"w X 14"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 15. 75" Width X 15. 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