Brass Pipe Fitting, Class 125, 45 Degree Elbow, 1/2" NPT Male x 1/2"  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. Male National Pipe Taper (NPT) threads on one end and female NPT threads on the other for connecting pipes with different connections Made from brass for higher corrosion resistance than steel Relative softness of metal enables a tighter seal and ease in installation Meets specifications ANSI B1.20.1 and ANSI B 16.15 for quality assurance