O-Z/GEDNEY Type EYDM vertical drain/sealing male/female conduit fitting made of malleable iron with zinc electroplated finish. Tapered threads (NPT). Threaded for rigid conduit or IMC. Provides continuous water drain path while allowing conduit run to breathe, in compliance with the NEC. 25% conductor fill. Sealing compound and fiber. EYDM style supplied with removable close nipple. To seal and drain vertical conduits. To minimize the passage of gases and vapors and prevent the passage of flames from one portion of the electrical system to another through the conduit. 1-15/16 in turning radius, 2 oz sealing compound required.