Duraline's HDPE Innerduct is designed for superior performance in various conduit applications, offering a robust solution with a 4-inch diameter and a smooth wall finish. This product is crafted from high-density polyethylene (HDPE), ensuring durability and longevity, while its SDR 13.5 schedule provides reliable pressure ratings suitable for a range of installations. Available in a sleek gray color, this innerduct is also UL Listed, meaning it meets rigorous safety and compliance standards. Ideal for both residential and commercial uses, this innerduct effectively protects essential cabling against environmental factors, making it an essential component for modern electrical and telecommunications infrastructures.