The square-to-round flange design allows for easy integration into existing ductwork, ensuring a smooth and efficient air transfer. Ideal for use in residential, commercial, and industrial environments, this connector is a reliable solution for improving air quality and system efficiency. Its sturdy ABS material withstands various environmental conditions, making it a addition to any ventilation setup. Features -Color:Black -Material:ABS -Size:16.50X16.50X7.00cm/6.48X6.48X2.75in -Resistance: constructed from ABS, this flange connector offers excellent resistance, making it suitable for harsh environments -Versatile design: the squaretoround design allows for versatile installation options, accommodating different duct shapes and sizes -Enhanced air circulation: with its ventilation capability, this connector significantly improves air circulation within the duct system -Reliable performance: the robust construction ensures that the air duct connector maintains stable airflow, essential for optimal system operation -Wide usage: for industrial applications, this flange connector is various duct systems efficiently and reliably Package list: 1 x flange connector