Description
This product is made of high quality ABS plastic and strong enough to be more durable. ABS material is not only corrosion and heat resistant, but also environmentally friendly. It will not rust or get hot compared to metal material. Therefore, it is suitable for ventilation
Made of ABS, it is very light and has a structure that opens with an exhaust wind, and closes when the air gets intruded by wind. The 17° slope gravity automatically closes and has a good seal. The reverse wind protection damper prevents outside air from entering the room by blocking out wind and preventing the exhaust failure caused by wind backflow
The outer diameter of this anti-reverse damper is about 3.7 inches (95 mm), and it can be connected to PVC tubes or aluminum foil hoses with an inner diameter of 3.9 inches (100 mm) or more, making it convenient to install
Reverse wind proof damper for connecting ventilation ducts is ideal for ventilation DIY. Also suitable for air conditioners, dryers, exhaust vents, fan hoods, fume hoods, heating pipes, vents, etc. It is also used for backflow prevention in a wide range of industrial, construction, agriculture, etc
Package: 1*Check Valve We strive to ensure the quality of our products, but if you have a defective product or are not satisfied, please contact us
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