The AC Infinity Flexible 10-inch 4-Layer Heavy Duty Aluminum Ducting is designed for a variety of ventilation applications including HVAC systems, dryers, and grow rooms. This ducting features a robust 4-layer spiral structure that offers exceptional flexibility and durability. Available in lengths of 8-ft and 25-ft, this ducting is perfect for both residential and commercial use, ensuring effective airflow management in any setting.