8w X 4h Adjustable AIR Supply Diffuser – HVAC Vent Duct Cover Sidewall or Cieling – Grille Register – High Airflow – White

8″w X 4″h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 9.875″ Width X 6″ 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
packed included 1pc