The document describes a heated hose called IHH-ST4A/ST4D for transporting liquid and gaseous media with maximum operating temperature of 400°C. It has a corrugated stainless steel inner hose, stainless steel braiding, thermal insulation of high temperature fleece and silicone foam, and a soft EPDM outer covering. Built-in Pt100 sensors allow for temperature control and the resistance heating cable provides homogeneous heat distribution. Standard versions are available in various sizes and custom designs can be specified upon request.