The metal straight flange air vent with electrostatic spraying is designed for seamless connection to round air pipes and ventilation systems. This adapter ensures a secure and efficient link between your fan and ductwork, enhancing airflow. Ideal for HVAC systems, it provides a reliable solution for both residential and commercial applications, ensuring optimal performance and longevity. Features -Color:Silver -Material:Galvanized plate -Size:12.00X12.00X5.20cm/4.72X4.72X2.04in -Fine material: made from good material, this flange air vent is durable and reliable, ensuring longterm use in various industrial applications -Creative design: the straight round conversion interface design makes installation and connection easy, saving time and effort during setup -Electrostatic spraying process: the surface is treated with an electrostatic spraying process, making it smooth for extended use -Versatile application: suitable for various fans, this product is widely used in industrial fields, providing a reliable connection for different ventilation systems -Precision manufacturing: precision manufacturing ensures the stability and safety of the fan connection, providing peace of mind in demanding industrial environments Package list: 1 x duct connector