Vibrant Performance Push-On Style Rubber Flex Hoses are designed for use with our Push-On Style Hose Ends and Fittings. These hoses are suitable for oil, water, fuel, coolant and vacuum service. Recommended for light-duty applications only. Operating temperature range: -40 DegreesF to 212 DegreesF (-40 DegreesC to 100 DegreesC).? Made from CPE Synthetic Rubber.