... well both in domestic and abroad. Low Price High Quality Natural Gas Rubber Hose Features:1. Our main materials are EPDM, NBR ... week8. 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, radiators, ...