Unidirectional: Allowing for automatic switching and can prevent reverse movement of airflow through ventilation ducts when the ventilation system is shut down. This backflow damper allows only single-way as well as damping.; Return Airflow Dampers: Duct inserts fitted with return airflow dampers to ensure stable airflow without leakage, ensuring safety and reliability.; Application Scenarios: These unidirectional airflow duct inserts are perfectly suited for dryers, exhaust fans and other 6 flexible or plastic ducts, and are widely used in exhaust fan ducts, dryer ducts, range hoods, heating ducts, vents and other residential and industrial applications.; Material: The application of high grade ABS material and sturdy construction brings good durability for long term use. The product is very strong and well made with good spring tension.; Easy to Install: Designed to be light weight and small in size, installation can be done quickly in minutes.
What's in the box
1 x Pressure Cookers & Multi-Cookers
