3″ HVAC Duct Manual Volume Damper, Adjustment Airflow Backdraft Dampers, White

Specifications

The manual volume damper is used for air volume regulation in an air ventilation system, widely used in HVAC industry. With that installed in your HVAC systems, you can easily control the air flow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.SpecificationColor: WhiteMaterial: PVC PlasticInner Diameter of Interface: 76mm / 2.99 inchOverall Size: 150 x 4mm / 5.91 x 0.16 inch (L*T)Packing List: 1 x Duct Manual Volume DamperAdvantage1. Made of PVC Plastic, airflow control backdraft damper has high hardness and anti-drop, durable, not easy to deform and corrosion, moisture-proof and fade resistant, can be used for a long time2.

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