AMREMSU 6 Inch HVAC Duct Backdraft Damper - Stainless Steel Manual Adjustable Air Control Valve with Sealing Rubber Gasket for Airflow Ducting Branch Vent Systems

Durable Material:AMREMSU 6 Inch hvac damper combines stainless steel body with aluminum valve blade,rust-proof sturdy construction with high hardness and heat resistance, effectively prevents deformation, corrosion, moisture buildup,and discoloration of the duct damper valve for long-lasting performance.. Innovation Design:The ventilation duct uses manually operated adjustment valve.the handle with a protective cover for comfortable use and to prevent hand injuries.It allows multi-angle airflow adjustment for easy control.The aluminum valve blade features an internal rubber sealing ring,ensuring excellent airtightness. This guarantees leak-free operation and ensures smooth, quiet opening and closing of the valve.. Ergonomic Handle with Safety Guard：Unlike others, we have added rubber rings at both ends of the channel, providing good air tightness, easier installation, saving you time and effort, preventing air leakage to prevent air leakage and improve the efficiency of the HVAC system, you just need to pull it into the ventilation duct you need, and secure it with pipe or tape to complete the operation. Widely Used: Our manual 6-inch duct control valves are used in a wide range of ventilation systems to regulate air volume, HVAC, exhaust fans, hydroponics, dryers, vent heating systems, fans, vents, and other residential, commercial, and industrial HVAC applications. You can easily control the airflow rate or turn off the duct when needed, which improves your system's energy efficiency to a certain extent.. Manual Adjustment of Air Balance: Our 6 inch damper air valve sleeve is manually adjustable to adjust the air volume from multiple angles, so that the air flow can enjoy a comfortable environment at any time. Air valve sleeve controls indoor temperature and prevents reverse flow.Applies to air balance, not air termination.