Brass Pipe Fitting, Class 125, 90 Degree Elbow, 1/8" NPT Female These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories. Female National Pipe Taper (NPT) threads for connecting to male pipes Made from brass, for machinability and higher corrosion resistance than steel National Pipe Taper (NPT) thread for compatibility with a range of threads More economical than steel