Hyjoy HVAC Duct Manual Volume Backdraft Damper, 6 Inch, 2 Pcs Airflow Ducting Vent Damper Air Control , Adjustment Handle Steel, for HVAC

Material: The body is constructed from steel and the flap from aluminum, materials that durability and longevity. Built with components for reliable . (Size: Outer Diameter: 190mm / 7.48 inch; Length: 190mm / 7.48 inch) Manual Airflow Adjustment: Experience comfortable environment with our damper sleeve, engineered to utilize the manual handle the to adjust the air volume from various angles. This is beneficial to manage room temperature and the backdraft. It is also to note that the damper sleeve should be installed in locations where you can easily operate the handle. Design: Our damper sleeve includes rubber seal inside, providing good air tightness and it can the air duct from leaking when it is closed. Also, this design ensures smooth and silent when the flap opens or closes. to install: slide it directly into your ventilation pipe, and then use the pipe and tape for . Save time and effort with our design that allows for quick and straightforward installation. Uses: The manual volume damper is designed for air volume adjustment in air ventilation , and it is commonly employed in the HVAC industry. With this installed in your HVAC , you can conveniently regulate the airflow or shut off air duct as necessary, to certain degree, it will the efficiency of your .