This metal straight flange air vent adapter is great for converting round air pipes in ventilation systems. The electrostatic spraying finish offers durability and resistance to corrosion, making it suitable for various environments. Easy to install, it connects directly to your fan, ensuring a tight seal and efficient airflow. Use it in HVAC systems to improve air distribution and maintain a comfortable indoor climate. Features -Color:Silver -Material:Galvanized plate -Size:12.00X12.00X5.20cm/4.72X4.72X2.04in -Robust construction: this air vent flange is built to last, offering reliable performance in demanding industrial settings -Easy installation: the straight round conversion interface design simplifies installation and connection, making it a convenient choice for various applications -Fine finish: the electrostatic spraying process provides a smooth finish, enhancing the durability and longevity of the product -Wide compatibility: designed to fit various fans, this flange air vent is suitable for a wide range of industrial applications, ensuring versatile use -Stable and secure: precision manufacturing ensures a stable and secure connection, ensuring the safety and reliability of your ventilation system Package list: 1 x duct connector