PPR PIPE FITTINGS ELBOW BY 90DEGREE FOR PIPELINES PPR Stop Valve,pvc ... FEMALE ELBOW , REDUCING COUPLING, MALE AND FEMALE UNION , MALE PLUG, PIPE CLIP , BALL VALVE , OCTAGONAL BALL VALVE ,COMPACT BALL VALVE, CONCEALED ... , convenient to transport and handle, good for labor-saving6) Smooth inner walls reduce pressure loss and increase flow speed7) Sound insulation ...