AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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: 4” Length: 25 feet Includes two stainless steel 4" duct clamps