Product Features:This hose meets and exceeds SAE 20R3, Class D-1, Type EC, standard wall construction requirementsMade with the highest quality EPDM compounds and heavy duty spiral reinforcementsProvides excellent resistance to coolant and coolant additivesPerforms well in temperature ranges of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)Performs well in temperature ranges of -40Deg. F (-40Deg. C) to +257Deg. F (+125Deg. C)