Dura-Line Figure 8 HDPE Duct is ideal for aerial applications in Telecom, CATV, Enterprise, C&I, Energy, DOT, or IoT applications. Manufactured from flexible HDPE with carbon black and antioxidants for UV protection. Figure-8 construction includes an extra-high strength galvanized steel support strand for one-step aerial installation. Optional SILICORE ULF lining and pre-installed tape options are available.