Full Technical Description: Steel Material; Hot-Dip Galvanized, Blue Urethane 2 mil Coated Interior, PVC 40 mil Coated Exterior Finish; UL, CSA Approval; 1 Inch Trade Size; Threaded End Type; 90 Deg Bend Angle; 30 Inch Bend Radius; OCAL-BLUE[R] Brand; Color Gray