Constructed with durable high-density polyethylene, this 4" SDR 13.5 smoothwall conduit from Duraline offers a dependable solution for various installation needs, including direct burial, aerial applications, and trenching. Its sturdy design is compliant with industry standards such as ASTM and UL, ensuring reliable performance in challenging conditions, including soil shifts and root intrusions. The conduit features a striking black exterior with a red stripe, making it easily identifiable in the field, while the smoothwall configuration minimizes friction during installations. With a substantial length of 750 feet, it is ideal for large-scale projects across numerous sectors, including telecommunications and energy, where both durability and performance are paramount.