
Gfi 15-90 Degree Galvanized Material Spiral Ductwork Circular Ventilation Duct Elbow. Available Angles: Offered in 15, 30, 45, 60, and 90 degrees for diverse HVAC routing needs. Material Options: Constructed from Galvanized Sheet, 201 Stainless Steel, or 304 Stainless Steel. Customizable Length: Length customization available to fit specific project dimensions. Diameter Range: Standard diameters span from 100mm to 1250mm. SR Interior Design: Smooth interior surface minimizes friction loss and optimizes airflow. SR2C Structural Strength: Corrugated exterior with reinforcements enhances duct structural strength. Low Air Leakage: Precise forming and tight sealing minimize air leakage for efficiency. Full Customization: Supports full customization for sizes, shapes, and connection options.