AC Infinity - Flexible Four-Layer Ducting, 25 ft long, 12" Diameter

[shortdesc] Available 02/17/2021 - Call for preorder Ducting Size 12 in. (10.2 cm) Length 25 ft Outer Layer PVC Thermoplastic Inner Material Aluminum Foil [/shortdesc] 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 and easy to install in hard to reach places. The ducting can be shortened by cutting the tube to fit various applications. Includes two stainless steel duct clamps. APPLICATIONS Primarily used with duct fan systems in various air circulation and ventilation projects including hydroponic gro