Appleton UNF200NR-A Unilets Unf Union, Trade Size: 2 In, Outside Diameter: 3.72 In, Length: 2.31 In, Flexibility: Rigid and Imc, Material: Copperfree (4/10 Of 1 PCT Maximum) Aluminum, Connection: Female Threaded, Finish: Natural, Standard: Ul 886 (1203),