4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Matte Black Color_Red Oak Wood + Product Details Size -

+ Product Details Size - 16"w X 4"h is the size for the duct opening measurement only

[Outer Dimensions: 12

Insulation – A thick blanket of fiberglass insulation provides you with an R-Value of 8

+ Product Details Size & Compatibility – The 7" galvanized sheet metal straight transitioning duct boot is compatible with duct 7"

4" X 12" Modern Victorian Floor Register Grille With Dampers - Decorative Grate - HVAC Vent Duct Cover - Matte Black Color_Red Oak Wood + Product Details Size -4" X 12" Is The Size For The Duct Opening (floor vent hole) Measurement Only, Actual Front End Outer Dimensions Are 5. 5" X 13. 5" SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE Solid Rigid Steel Body For Durability and Reliability With Dampers Operate able by Switch For Airflow Directional Control Premium Plated Finish and Modern Victorian Design Forming a Luxurious & Impressive Piece For Your Home Quality Packaging Carefully Shrink Wrapped With