Round Diffuser
• Butterfly damper with ring to control the air flow of round diffusers
• For use with Venti Air Series 141 round diffusers
• Made of heavy gauge steel and powder coated in black color for smooth glossy finish and long life
• Comes with plastic key to operate the damper and screws for installation
• Comes with white head screws for installation
Please call your local sales representative for more infos.