Rubber Hose Reducer 1.Silicone Rubber 2.Aging,Shock,Corrosion assistance 3.TS16949 Certificate 4.OEM Service Liuzhou Junjie Auto Parts Manufacturing Co ... . Usage: Widely used in car, bus and truck as for engine air intake, exhaust, water, oil resistance, turbocharger, radiators ... 5mm to 160mmUsageWidely used in car, bus and truck as for engine air intake, exhaust, water, oil resistance, turbocharger, ...