... within 30 days 1.Feature:flexible element for delivery of various fluid media,featuring resistance to corrosion and low ... tubing is a stainless steel corrugated tube with outer core of steel wires or steel belt net sleeve and connectors ... aviation,spaceflight,petroleum,chemical industry,metallurgy,electricity,paper-making,timer,textile,traffic,food,building,medicine,tobacco.ClassNominal inner dia. ...