Square Backed Flange

The Square Backed Flange is a reliable and durable ventilation fitting designed for securely connecting round ducting to flat surfaces such as walls, grow tents, extractor systems, and HVAC installations. Ideal for hydroponic grow rooms, indoor gardening setups, and air extraction systems, this high-quality flange provides a strong mounting point for inline fans, carbon filters, and ducting systems. Its square base ensures easy installation and a secure seal, helping to reduce air leaks and improve overall airflow efficiency. Manufactured from sturdy, long-lasting materials, the Square Backed Flange is perfect for maintaining effective ventilation, temperature control, and humidity management in both residential and commercial grow environments.