Constructed from high-density polyethylene (HDPE), this 4-inch SDR 13.5 smoothwall conduit offers exceptional durability and versatility for a wide range of installation methods. Suitable for direct burial as well as aerial, trench, or tray installations, its flexible design allows for gradual bends without the need for special tools, facilitating complex layouts seamlessly. With co-extruded SILICORE® ULF lining, this conduit ensures longer cable pulls and accommodates higher-speed jetting, making it an efficient choice for modern infrastructure projects. Available in continuous lengths on a 550-foot reel, it minimizes joining costs and is suitable for use in cold climates, providing reliable performance under various environmental conditions.