6" X 14" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 7.5 X 15.5] - Light Grey Compatible with Duct 8" 5 in" - SEE BELOW

5 in" - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – The size of 8" straight saddle stick on take-off is 12"/14" and it is compatible with duct 8"

or 4 Way – Just lift sections and rotate to re-configure direction

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

It is compatible with 4" duct

6" X 14" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 7.5 X 15.5] - Light Grey Compatible with Duct 8" 5 in" - SEE BELOW6" X 14" Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 6. 5" X 14. 5" SEE BELOW IN DESCRIPTION How To Measure A Grille Why HVAC Premium? You may think of grilles and registers as a generic component of the ventilation system in your house. But they are also the most visible representation of your air system. These grilles and registers give you an extra measure of quality that are visible to your family