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3 Inch HVAC Duct Damper Manual Volume Backdraft Damper Airflow Ducting Control Valve Silver/Blue, 2 Pcs

<ul><li>Material: Galvanized Iron; Adjustable Angle: 90 Degree</li><li>Thickness: 1 mm / 0.04 inch; Outer Diameter: 75 mm / 3 inch; Length: 200 mm / 8 inch</li><li>Durable and anti-corrosion</li><li>Adjust air volume in HVAC systems</li><li>Balance airflow for energy efficiency</li></ul>

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HVAC duct manual air volume control valve is used to adjust and control the air volume in heating, ventilation, and air conditioning systems. To adjust the air volume in the HVAC system and balance the air flow distribution, thereby improving the energy efficiency of the system to a certain extent. Specification Color: Silver, Blue/Blue Material: Galvanized Iron Adjustable Angle: 90 Degree Thickness: 1 mm / 0.04 inch Outer Diameter: 75 mm / 3 inch Length: 200 mm / 8 inch Packing List: 1Pcs x Duct Manual Volume Damper Advantages Duct damper is made of durable galvanized iron, with high hardness, not easy to deform, anti-corrosion, high temperature resistance, anti-fading, and long service life. The HVAC duct adopts a rotating handle design, which can adjust the air volume from multiple angles and accurately adjust the air flow rate to meet specific heating or cooling needs. Instruction Easy to install, just simply slide the volume damper into the pipe you are attaching to, and fix with pipe clamp and tape. NOTE: Please confirm the outer diameter of the volume damper before placing an order.

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