Chrome Plated Brass Pipe Fitting, 90 Degree Elbow, 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. Manufactured to standard ASTM B-584 for quality assurance Female National Pipe Taper (NPT) threads for connecting two pipes Made of brass for resistance against corrosion from water, heat, acids, salts, and other minerals Relative softness of metal enables tighter seals and greater ease in installation