Reducing Sealing Washer; Trade Size 2 Inch x 1/2 Inch; Inner Diameter 0.81 Inch; Outer Diameter 3.39 Inch; Conduit Type Rigid, IMC; Material Steel; Finish Rubber Coated Galvanized; Approval UL 514B, UL (Canada and US); ROHS Compatible; Applicable Standard NEMA FB-1; Enclosure Type NEMA 3R; Application Wet Location