4" X 12" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 5.5 X 13.5] - Light Grey Compatible With Duct 6in + Product Details Outer dimensions:

+ Product Details Outer dimensions: 13

and a side pouch is perfect for accessories

+ Product Details Perfect Fit & Easy Sizing - Designed for a 26" x 22" OR 22" x 26" duct opening (measured at the opening)

Some of our best features aren’t readily apparent

Test the valve operation to ensure it is functioning correctly

4" X 12" Floor Register with Louvered Design - Heavy Duty Rigid Floor Air Supply with Damper & Lever - Outer Dimensions [ 5.5 X 13.5] - Light Grey Compatible With Duct 6in + Product Details Outer dimensions:4" X 12" Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 4. 5" X 12. 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