Lead Free Pipe Fitting, 90 Degree Street Elbow, 1/4" NPT Male X Female 90-degree street elbow for changing flow direction, Use with type L and type M hard-temper copper tubing Male and female National Pipe Taper (NPT) threads for connecting two pipes Made from lead-free brass for higher corrosion resistance than steel Relative softness of metal enables tighter seals and greater ease in installation Manufactured to standard ASTM B-584-06 for lead-free quality assurance