Spears 406-LSF Series PVC Pipe Fitting, Fabricated, 90 Degree Long Sweep Elbow, Schedule 40, 3" Socket 90-degree long sweep elbow for less flow resistance when connecting two pipes or fittings at an angle Socket ends for connecting to unthreaded male pipes or fittings PVC for corrosion resistance, high strength, and less weight than fittings made from metal Smooth interior finish for reduced friction and material buildup Meets ASTM 1785 for quality assurance and NSF certification for potable water.