Handua 6", 8", 10" and 12" [Neck Size] Steel Butterfly Damper for Round Ceiling Air Supply With Damper - Black - Outer Dimension: Listed size + 1 1/2"

• SIZE OPTION - 6", 8", 10" and 12" [Neck Size] damper for ceiling application. This ceiling damper controls air flow for round ceiling diffuser. Removable adjustment handle for air flow control.
  
  
• DURABLE CONSTRUCTION - Crafted from high-quality steel with durable powder paint coated, our ceiling air supply diffuser damper is built to last. Its sturdy construction ensures long-term durability, making it a reliable choice for both residential and commercial applications.
  
  
• EFFICIENT AIRFLOW CONTROL - Our air diffuser butterfly damper provides precise and efficient airflow control, allowing you to customize the ventilation in your space with ease. Achieve optimal comfort by regulating the airflow according to your preferences.
  
  
• QUIET AND SMOOTH OPERATION -With our air vent damper, experience whisper-quiet operation and smooth airflow adjustments with our advanced damper design. Enjoy a peaceful environment while effectively managing the airflow in your home or office, enhancing overall indoor air quality with this round ceiling damper.
  
  
• EASY INSTALLATION - Effortless installation is facilitated by the inclusion of three screws, making the process quick and hassle-free. Small screw holes for attaching damper to the diffuser, large screw holes for mounting the damper to the duct opening.

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