Spears P102 Series PVC DWV Pipe Fitting, Reducing Coupling, 2" x 1-1/2" Hub Reducing coupling for connecting two pipes with different diameters Hub ends for connecting to male unthreaded pipes or fittings PVC for corrosion resistance, high strength, and less weight than fittings made from metal Operating temperature range of 73 to 140 degrees F (23 to 60 degrees C) Complies with ASTM D2665 and ASTM D3311 and certified to NSF/ANSI Standard 14 (NSF-dwv) and NSF International Uniform Plumbing Code (NSF-U.P. Code)