The Aeroflow 400 series push lock hose is designed for the use with Aeroflow push-on fittings. Available in Blue or Black. Suitable for coolants, oil, air and methanol Where temperature exceeds 70 degrees C, the use of a clamp is recommendedTemp range -40 degrees C to 100 degrees C Supplied in clamshell packaging for shop displaysNOTE: Due to the use of unknown additives in some fuels, Aeroflow is unable to guarantee the rubber hoses compatibility with all fuels unless other wise stated. Aeroflow recommend the use of 200 series PTFE hose for all other types of fuels. 400 Series Hose specifications:AN Size: -5Hose I.D: 5/16" (7.94mm)Hose O.D: 35/64" (13.8mm) Operating Pressure: 300 psi