14" X 6" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Floor Grille Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 27 3/4" x 1"

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

+ Product Details Size - 18"w X 14"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 34" or 34" x 12" duct opening (measured at the opening)

9% Pure Copper meeting ASTM B280 standards

14" X 6" Baseboard Return Air Grille - HVAC Vent Duct Cover - 7/8" Margin Turnback For Flush Fit With Baseboard Work - White Floor Grille Actual Filter Size – 13+ 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