16 x 6 Adjustable Diffuser – Vent Duct Cover – Grille Register – Sidewall or Cieling – High Airflow

16″w X 6″h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 17.875″ Width X 8″ Height – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE
Multi-Shutter Damper With Easy Handle Operator Gives You Full Control Over Airflow Direction & Amount of Airflow – Can Also Be Shut Completely
Full 190 Degrees Control of Air Direction Vertically & Horizontally
Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment – Screws Included
package included 1pc