• 12" Diameter Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 12" Diameter
• Incorporated with Integral Butterfly Damper for full Airflow Control
• Assembeled Before Powder Coat Paint, to Ensure Perfect Smooth Finish
• Commercial Grade Aluminum - Will Never Rust - Designed for Warehouses, Factories, Workshops, Gymnasiums & Restaurants
• Center Core is Removable for Easy Access and Maintence

12" Circular Round Aluminum HVAC Supply Grille Air Diffuser - With Butterfly Damper - Vent Duct Cover

12" Diameter Is The Size For The Duct Opening Measurement Only, Actual Front End Outer Dimensions Are 12" Diameter

Incorporated with Integral Butterfly Damper for full Airflow Control.
Assembeled Before Powder Coat Paint, to Ensure Perfect Smooth Finish.
Commercial Grade Aluminum - Will Never Rust - Designed for Warehouses, Factories, Workshops, Gymnasiums & Restaurants.
Center Core is Removable for Easy Access and Maintence.

Why HVAC Premium?
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 you air system.
With HVAC Premium you get an extra measure of quality that will be visible to your family members and house guests.

How To Measure A Grille
Overall Size:
Measure the size of the air duct/drywall opening. Do not measure the overall size of the register itself, only measure the "hole" in the wall/duct. Every grille has a front end frame, that will overlap at wall joint.
Total outer size of this grille is; listed size +2" diameter.

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