... rubber hose,used for water hose of machines,Temperature range:-40~150°C. NBR rubber hose,used ... for oil hose of machines,temperature range:-40~180°C. Silicon rubber hose,used for ... high temperature hose of machines, -40~250°C.2 ... Black, Red, Blue4.Usage: for engine air intake, exhaust, water, oil resistance, turbocharger, radiators,intercoolers, oil application ...