Designed for ventilation applications including HVAC, dryer, grow rooms and tents. Four-layer design makes it more durable and resistant to leaks, tears, and cuts. Steel-wire spiral structure is flexible and easy-to-install in hard to reach places. Constructed of aluminum and thermoplastic; tube can be shortened for various applications. Ducting Size: 6” | Length: 8 feet or 25 feet | Includes two stainless steel 6″ duct clamps
