... is made from special synthetic rubber , and has the function of oil-resistance, hot-resistance and aging- ... , and its pulse properties are good .3. The structure is compact while in use it is flexible ... .5. The hose ID from 3/16 to 2 , 4.8mm to 50.8mm6. Temperature range,-40°C ... resistant applications. Our products sell well over the world,especially in the USA,the UK,Germany,Korea,Russia,Iran,India, ...