Unifizz 6.3" HVAC Duct Manual Volume Damper, PP Adjustment Flame Retardant Airflow Backdraft Damper Air Volume Control Valve for HVAC Air Balancing System, Beige

• 【Premium Material】The vent ducting damper is made of thicken pp with high hardness and high temperature resistance, not easy to deformation and corrosion, and can effectively prevent the air duct damper from moisture and fading, which can be applied for a long time.
• 【Balancing Airflow】HVAC damper is a simple manual damper that are packaged in galvanized metal plate sleeves.Each branch should be fitted with a balancing damper to regulate the airflow by adjusting the position of the damper, which can help to redirect it to specific locations in the house; The backdraft damper is not completely sealed, and it is applied for air balancing, not air termination
• 【Manual Airflow Adjustment】The side of balancing damper is designed with a rotary handle, which can adjust the air volume from multiple angles and is helpful to control room temperature and stop the backdraft; The interface is smooth and flat, easy to disassemble and install. Silicone rubber ring design can prevent the air duct valve from leaking when it is closed.
• 【Easy to Install】Just simply slide the Damper Sleeves into the item you want to connect, secure it with sheet metal screws, and hide the joint with duct tape. We recommend that you seal all the connects with pipe sealant to prevent air leaks and improve the efficiency of your HVAC system.
• 【Wide Use】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.

Feature: 1.Made of thicken pp, corrosion-resistant, sturdy and durable. 2.The side of duct damper is designed with a rotary handle, which can adjust the air volume from multiple angles and is easy to operate. 3.Easy to use,just slide the air ducting damper into the pipe and screw it, then hide the seam with tape to complete the installation. 4.Designed for use in AC, dryer vent, exhaust, extractor, heating systems, fans, vents, and other residential, commercial, and industrial HVAC applications. Specification: Material :Thicken pp Color: Beige/Grey Finish : Smooth Package include: 1pcs x HVAC Volume Damper Key Notes: 1.Please confirm the outer diameter of the backdraft damper before placing an order. 2.Please allow 0.1-0.5mm error due to manual measurement.