Spears 437-UV Series PVC Pipe Fitting, UltraViolet Resistant, Bushing, Schedule 40, 1-1/2" Spigot x 3/4" Socket Reducer bushing for connecting two pipes with different diameters and end types Spigot on one end and female socket connection on the other for connecting to pipes with different ends PVC for corrosion resistance, high strength, and less weight than fittings made from metal Resistant to deterioration from UV light or sunlight Meets NSF/ANSI 61 Annex G, NSF/ANSI 372 for quality assurance