PE Electrofusion Coupler 1.PE 80/100 2.Certificate:ISO9001-2000,CE 3.EN Standard ... including Electrofusion Fittings,Butt fusion Fitting,Socket Joint Fitting,PE Ball ValvesFittings,PE/Steel Transition Fittings,etc. Including Reducer,,Coupler,Reducing Tee ... ,Equal Tee.End Cap.Cross Tee,Saddles,45 Elbows,90Elbows,etc ...