Spears P131 Series PVC DWV Pipe Fitting, Test Cap, 3" Test cap to prevent debris from entering the system during construction 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) Meets ASTM D2665 and ASTM D3311 and certified to NSF/ANSI International Standard 14 (NSF-dwv) and NSF International Uniform Plumbing Code (NSF-U.P. Code)