AN -10 30 Degree PTFE Hose Fitting. The PTFE reusable hose ends are easier to install than cutter-style fittings and more user-friendly. Automotive d/ Aerospace-quality PTFE hose end. Fitting, PTFE Hose End, 30 Degree, -10 AN Hose to Female -10 AN, Aluminum, Red/Blue, Each.