Features: Factory bent standard radius elbows are available and ready to ship; Factory bent elbows are more accurate, quicker to install and more economical because they save field bending time and do not waste materials; Electrical continuity is maintained across assembled joints; Both PVC and zinc coatings investigated as primary protection against corrosion; Restricted for use with threaded fittings only; 40 mil gray PVC exterior, 2 mil red urethane interior coating; Standard radius