10"w X 8"h Is The Size For The Duct Opening Measurement Only Actual Front End Frame Outer Dimensions Are 11.75"w X 9.75"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
LOUVERED Supply Grille for Sidewall or Ceiling Application with SmoothGlide Technology, Easy Opening and Closing Back Dampers For Better Airflow Control, Quiet Lever
Easy Unrestricted Air Flow Deflection For Your HVAC System - 1/2 Inch Spaced Fins