These DOT-approved, EZ Air Ride-exclusive brass fittings are guaranteed to never leak. The fitting includes and internal ferrule to ensure a truly leak-free connection.
In order to get a good air tight seal that doesn't leak, be sure you cut off the tubing square. Most leaks are caused by tubing being cut at an angle.
How do you remove the tubing from a click-in fitting? Hold the brass ring down (against the body of the fitting) while pulling the tubing out.