1.silicone straight connector hose/tubing 2.we supply turbo charger hose/ ... reference for us to manufacture Hose classification:1.material: EPDM, Silicone.NBR. 2.Used for:Turbocharger connecting,coolant pipe,water hose ... ,air hose,fuel hose 3.Shape style:A.meter hose(straight hose ),B.elbow (45 degree --180 degree)C ...