... GB/T,CE ,ISO 2.Easy connect for cold and hot water pipe 3.Santity,Healthy,Smooth 4Green,Gray,White ELBOW FITTINGPP ... made by connecting threads or other outlets, inserted in the plastic body combined with fusion ends for socket fusion. Properties 1 ... and hidden installation 9) Recyclable, environment-friendly, accords with GBM standards 10) Extremely long usage life for ABOVE 50 years Green pipe fitting ...