14" X 6" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Color_R-8.0 Pink 6" width X 11

6" width X 11

For 12" Round Duct Opening - Spiral or Flex

Actual Filter Size – 19 3/4"w x 24 3/4" x 1"

Actual Front End Outer Dimensions Are 12" Width X 6" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

Ideal for Walls & Ceilings: Designed for seamless installation in standard 16" X 12" duct openings

14" X 6" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Color_R-8.0 Pink 6" width X 11+ Product Details Size 14"w X 6"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 15. 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