Attributes . ELBOW, STANDARD RADIUS TYPE; ALUMINUM MATERIAL; UL 6, CSA C22.2, UL (CANADA AND US), ETL APPROVAL; ANSI C80.5 APPLICABLE STANDARD; BULK STANDARD PACKAGE; 4 INCH TRADE SIZE; EXTERNAL THREADED END TYPE; 90 DEGREE BEND ANGLE; 16 INCH BEND RADIUS . Names