Utility duct has a trade size of 1-1/2-inches. It measures 20-ft x 1.912-Inch x 1.894-Inch. The utility duct with bell end connection, has PVC construction for added durability. It is suitable for direct or concrete-encased burial applications. The duct meets ETL Listing and UL 651, NEMA TC-8 and ASTM F 512 standards.