Reliability and construction Material and durability: Constructed from sturdy plastic with a thickness of 5 mm, designed for longevity and consistent performance in demanding environments. Airflow control and performance Precise airflow management: Features exceptional air tightness that enables accurate control of air flow, making it suitable for ventilation or air management systems. Handle design and adjustability Adjustable handle: Includes a 90degree adjustable handle that allows you to set the tightness as needed, improving comfort and adaptability during operation. Installation and usability Quick installation: Designed for quick and simple installation, allowing you to complete setup with minimal effort. Key attributes Function: Air volume control valve for regulating airflow. Compatibility: Suitable for use with standard ventilation or air management systems. Size and material: 5 mm thick plastic construction. Performance: Reliable, stable airflow control with adjustable tightness. Use scenarios Commercial HVAC ductwork: Finetune and balance airflow across zones to optimize system performance. Industrial ventilation and dust collection: Provide precise, robust control of air volume in harsh environments. Laboratories or cleanrooms: Maintain stable airflow with adjustable tightness and fast, straightforward installation.