Heavy wall conduit in gray color, features PVC construction for longer endurance. This schedule 40 conduit has trade size of 6-inches. This 10-ft long conduit has wall thickness of 0.28-Inch. It measures 6.065-Inch ID x 6.625-Inch OD and has belled end connection. Rigid non-metallic conduit is UL/ETL listed and meets NEMA TC-2 standards.