This metal straight flange air vent adapter is round air pipes to ventilation systems with ease. The electrostatic spraying finish ensures durability and resistance to wear and tear. Ideal for HVAC applications, it provides a secure and efficient connection to your fan, enhancing airflow and reducing energy consumption. Use it to improve air distribution and maintain a comfortable indoor environment. Features -Color:Silver -Material:Galvanized plate -Size:12.00X12.00X5.20cm/4.72X4.72X2.04in -Fine material: this flange air vent is reliable, great for longterm use in industrial settings -Straight round design: the straight round conversion interface design simplifies installation and connection, making it a convenient choice for various applications -Smooth surface finish: the electrostatic spraying process results in a great surface, ensuring the product's durability and longevity -Versatile use: suitable for various fans, this flange air vent is widely used in industrial applications, providing a reliable connection for different systems -Stable and reliable: precision manufacturing ensures a stable connection, enhancing the safety and reliability of your ventilation system Package list: 1 x duct connector