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4Inch HVAC Duct Manual Volume Damper with Sleeve Galvanized Adjustable Air Flow Duct HVACAir Balance for HVAC,Range Hood

<ul><li>4 inch duct</li><li>hvac tool</li><li>4 inch flexible duct</li></ul>

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High -quality material: Manual volume damper is made of high -quality galvanized iron. It is resistant to high temperature, is not easy to deform, and resistance to corrosion.[Dimension details] The outer diameter of the port is about 10 cm and a height of about 15.5 cm.Simple installation: Just slide the volume damper into the connected pipe and tighten it with a pipe clip and tape.[Used for air balance] The side design has a rotating handle, which can adjust the air volume or close.The balanced damper is not completely sealed and used for air balance, not air termination.Widely used: Our balanced damper can be used for heating air -conditioning systems, air conditioners, and range hoods. You can freely control the airflow or turn off the air duct when needed.Material: Aluminum alloycolour: silverPackage Contents:1set x hvac ductsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

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