Dual Flap Back Draft Damper Valve

High-Quality Material Crafted from durable ABS material, this valve ensures long-lasting performance and reliability in your kitchen. Backflow Prevention This valve effectively prevents backflow, protecting your kitchen appliances from damage caused by reversed airflow. Sealed Design Its sealed design prevents backflow, ensuring your kitchen remains clean and odor-free. Large Diameter With its large diameter design, this valve efficiently manages airflow, making it ideal for public smoke duct pipes. Double Opening Feature The double opening feature allows for easy cleaning and maintenance, keeping your kitchen free from unwanted odors.