Sewage pipe, Plastic, 500 mm Protective casings for cables and pipes – double-walled corrugated plastic pipes in various diameters. Features: - Double-layer structure: smooth yellow inner surface, black corrugated outer surface – for easy cable pulling and high mechanical strength. - Various diameters: multiple size options from large-caliber lines to small conduits. - Suitable for underground cable lines, telecommunications, electricity, drainage, and utility conduits. - Long-term durability, resistant to moisture and soil pressure. - Additional accessories for installation: compatible with sealing rings and connecting parts. Application areas: - Cable duct installation in urban infrastructure - Cable protection in industrial and construction sites - Protective conduits for drainage and water discharge systems Note: The images show pipe segments of various sizes and sets of tapes/rings for assembly.