AC Infinity - FLEXIBLE FOUR-LAYER DUCTING, 25-FT LONG, 12-INCH

FLEXIBLE FOUR-LAYER DUCTING, 25-FT LONG, 12-INCH 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: 12” | Length: 25 feet | Includes two stainless steel 12" duct clamps PRODUCT DESCRIPTION This ducting is designed for various ventilation, circulation, and heating/cooling transfer applications. It features four-layer protection, making it more durable and resistant to leaks than single-layer designs. The internal layer is made of heavy-duty dual aluminum foil that is fire/flame resistant. Its outer layer utilizes dual PVC thermoplastic that protects the aluminum from cuts and tears while stopping leakage. Each duct tube is held together by an internal steel-wire spiral that is flexible a