10AN PTFE fuel line working Temperature ranges from -76℉ to 446℉ (-60℃ to 230℃). AN10 Black Nylon PTFE Fuel Hose( 10ft or 16ft or 20ft). Size: AN10 PTFE braided fuel line Length is 10/16/20feet. Application:Our PTFE Lined Hose can be compatible with most automotive fuels, lubricants, and coolants.