... set1.International Q235 bridge steel ,white PVC manger, ball valve type automatic water equipment, white PVC water pipe, 3MM ... international Q235 material, Good elasticity, not deformation, not flagging for life. Add the perfect double galvanized; not rusts, service ... pressure. Plus double galvanized, use life is for 15 years.5.Ball valve type automatic water equipment: 360-degree rotating design ...