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Unique Bargains Backdraft Damper with Sleeve, 4 Inch, Airflow Ducting Branch Vent Damper Adjustment Handle Galvanized Metal

Uxcell Backdraft Damper with Sleeve, 4 Inch, Airflow Ducting Branch Vent Damper Adjustment Handle Galvanized Metal<ul><li>Port Outer Diameter: 100mm / 4 inch</li><li>Length:155mm / 6.1 inch</li></ul>

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Durable Material: The body and the flap blade are made from galvanized metal material, a durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. Manual Airflow Adjustment: Enjoy a comfortable environment with our damper sleeve, designed to use the manual handle on the valve to adjust the air volume from multiple angles. This is helpful to control room temperature and stop the backdraft. It is also important to know that the damper sleeve should be installed in places where you can easily control the handle. Good for Air Balancing: The backdraft damper does not provide a completely airtight seal, and its purpose is to balance air rather than terminate it. Easy to install: Simply slide it directly into your ventilation pipe, and then use the pipe clamp and tape for a secure fit. Save time and effort with our design that allows for quick and straightforward installation. Applications: The manual volume damper is used for air volume regulation in an air ventilation system, and it is widely used in the HVAC industry. With that installed in your HVAC systems, you can easily control the airflow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.