Optimized airflow design This 160mm ventilation duct check valve features an advanced design that facilitates smooth airflow while effectively preventing backdrafts, enhancing ventilation performance and system management. Effortless installation Built for ease of use, this check valve connects quickly to your ventilation system, saving you time and reducing labor during setup. Applications for diverse applications like fan ducts and piping projects, this check valve acts as a multifunctional tool for controlling airflow in various environments. Longlasting performance Made from sturdy materials, this check valve is designed to provide dependable service over time without sacrificing efficiency. Key attributes Function: check valve for airflow control and backdraft prevention Size: 160 mm Material: sturdy construction Performance: durable, efficient, and easy to install Compatibility: designed to connect quickly to 160 mm ventilation duct systems Use scenarios In residential or commercial fan ducts (such as bathroom or kitchen exhaust), where backflow can reduce ventilation effectiveness, this valve helps maintain consistent airflow. In attics, equipment rooms, or other spaces with ducted ventilation, it prevents reverse airflow during pressure changes, ensuring reliable exhaust. In general piping projects and duct runs in construction or renovations, it provides effective airflow control to improve overall system performance.