Backdraft Damper Draft Blocker 1 Way Airflow Stopper Duct Connector for 160200mm

1、Airflow Damper: The one way backdraft damper enables auto oilu fume exhaustion and auto turning off very reliable in backflow prevention. 2、Secure Sealing: Strong spring and sealing allows for quick inclined gravity sealing leaving no seams and ensuring no leakage or backflow. 3、Better Fitting: Suits perfectly for 160?200mm duct the airflow blocker can be flexibly applied in bathroom kitchen cabinet and so on. 4、Good Materials: Adopting premium ABS stainless steel and silicone materials not easy to break under pressure and very durable for using. 5、Easy to Install: Comes with a light weight and a compact size as well main body and mount can be separated for convenient installation.