44160000-9 - Highways, Pipelines, Pipes, Casing Pipes, Tubing And Related Products: Steel Outlet 90° D300 (44167300-1 - Elbows, Tees And Fittings For Pipes); Transition Steel Eccentric Du (300 X 150) 325 X 10.0/159 X 6.0 (44163230-1 - Pipe Connectors); Transition Steel Eccentric Du ... More (EXPIRED)