Easy Installation: consistent standard 4 inch ducts—simply clean connection points, secure with metal tape ( not included), and fasten with bands / screws ( not included) Works with dryer vents, industrial exhausts, and climate management ducts Strong Coated Steel Construction: Made from sturdy metal with protective layer for enhanced rust resistance and long term usage Withstands outdoor conditions, suitable for indoor / outdoor dryer venting and HVAC applications Air Circulation & Low Resistance: Engineered interior surfaces with curved edges decrease wind resistance, enhancing ventilation effectiveness in homes, workshops, and parking facilities Consistent & Space Saving: Features three smooth ports for secure attachments, air leakage while optimizing space Great for compact areas in residential or business ventilation systems Flexible Y Configuration: This coated steel Y duct fitting effectively directs air circulation for dryer exhausts and ventilation setups Suitable for kitchens, bathrooms, and spaces requiring two direction circulation with its 45 degree angled form, Manufacturer: sodeber