Construction :- Two ply silicone hose made from silicone coated glass fiber fabric, with an embedded steel wire helix outer twin glass cord. Application :- Aircraft, aerospace, vehicle and engine production, car heating and hot dust extraction & designed for hot and cold air/fume application of both positive and negative pressures. Ins. Dia./mm :- 40 to 350 Temperature range :- 60.C to 300.C