- 12″w X 4″h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 13.75″w X 5.75″h – SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE
- LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet Lever
- QUALITY PACKAGING – Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment – Hand Inspected for Quality
- Easy Unrestricted Air Flow Deflection For Your HVAC System – 1/2 Inch Spaced Fins