... ,ISO9001 best price ,good quality,prompt deli Specification for silicone hose kitUsage:for engine air intake,exhaust,water ,turbocharger,radiators,intercoolers ... and other systermMaterial:MVQWorking temperature: -60 to 260 °CWorking pressure: 0. ... to 6-plyColors: blue, red, black, yellow, white, orange, green and purple