Uxcell 4 inch HVAC Duct Manual Volume Backdraft Damper, 1 Pcs Galvanized Iron Airflow Ducting Branch Vent Damper Air Control Valve with Adjustment Handle for HVAC Air System Range Hoods

<p>√MULTIPURPOSE</p><p>The Adjustment Airflow ducting damper is an excellent choice for a variety of HVAC systems, such as range hoods, bathroom exhaust fans, kitchen ventilation, air conditioning systems, heating ducts and vents, etc. Whether it is a small office building, a large factory or a commercial kitchen, it plays an essential role in maintaining efficient ventilation and air quality control.</p><p><br></p><p>√WHAT YOU GET</p><p>The package comes with 1 Pcs Silver Tone Manual Backdraft Damper with a 3.9inch outer diameter of interface and 6.7inch overall length.</p><p><br></p><p>√RELIABLE MATERIAL</p><p>The manual backdraft damper is constructed from durable Galvanized Iron, with high hardness and excellent high-temperature resistance, which is highly resistant to deformation, corrosion, moisture, and fading, ensuring a long service life. Installation is a breeze. Ensure that the volume damper fits the diameter of your pipe, and then insert the volume damper into the pipe and connect the two sides of the pipe. Finally, you need to fasten the volume damper using pipe clamps and tape.</p><p><br></p><p>√SPECIAL DESIGNED</p><p>Adjustment Handle: A rotary handle is incorporated on the side, enabling multi-angle adjustment of the air volume with effortless operation; Balancing Airflow: The balancing dampers enable airflow regulation by adjusting the damper position. The ductwork controls airflow and directs it to specific house locations.</p><p><br></p><p>√KINDLY NOTE</p><p>Please accurately confirm the outer diameter of the volume damper to ensure a proper fit. It is important to know that the damper sleeve should be installed in places where you can easily control the handle.</p>

• Outer Diameter of Interface: 99mm/3.9inch;
• Overall Length: 170mm/6.7inch;
• Color: Silver Tone;
• Material: Galvanized iron;
• Packing List: 1 Pcs HVAC Backdraft Damper.