UNILETS® CPU universal conduit outlet boxes complies with a wide range of classified area requirements. Connect conduit lengths and change direction of conduit runs. Provide access for maintenance. Malleable iron bodies have high tensile strength and ductility. Provides great resistance to corrosion, impact and shock. Universal design with four threaded universal hubs and three close-up plugs. Furnished with four threaded universal 3/4 inch hubs, four 3/4 inch to 1/2 inch reducers and three 1/2 inch close-up plugs.