Spears 835-030C - CPVC Pipe Fitting, Adapter, Schedule 80, 3" Socket x NPT FemaleCPVC Pipe Fitting, Adapter, Schedule 80, 3" Socket x NPT Female Adapter for connecting pipes or fittings of different types Socket opening on one end and female NPT threads on the other for connecting two pipes with different ends CPVC for chemical and corrosion resistance, high strength, and better resistance to high temperatures and pressures than PVC Maximum operating temperature of 200 degrees F Meets ASTM D1784 and F439 standards for quality