12"w X 10"h Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 13.75" Width X 11.75" Height - SEE BELOW IN DESCRIPTION HOW TO MEASURE A GRILLE
Multi-Shutter Damper With Handle Operator - Screws Included
Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment
Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment
Easy Unrestricted Air Flow For Your HVAC System