Dura-Line UL Listed HDPE conduit (smoothwall) is a flexible, non-metallic raceway used to protect underground cables and wires. Available in Schedule 40, Schedule 80, and SDR 13.5. Sizes offered from 1/2" to 6" with smoothwall reels for trench, bore, direct burial, aerial, and tray installations. Options include multiple colors, striping choices, pull tape configurations (factory-installed on sizes up to 4"), and cable-in-conduit (CIC) options. Product conforms to NEMA TC-7 and is ETL tested to UL 651A.