This is a double deflection supply grille with front vertical blades and rear horizontal blades. The aluminum grille is designed with two sets of individually adjustable blades to direct airflow, while the opposed blade damper adjusts the volume of air.
HPVHD
You may think of grilles and registers as a generic component of the ventilation system in your house, but they are also the most visible representation of your air system. With HVAC Premium you get an extra measure of quality that will be visible to your family members and house guests.
