Conduit Expansion Fitting, Trade Size 1-1/4 Inch, Diameter 3-1/8 Inch, Length 6-5/8 Inch, Maximum Movement 4 Inch, Constructional Feature Concrete-Tight, Weatherproof, Material Hot-Dip Galvanized Copper Free Aluminum, Approval UL 514B, CSA C22.2, Used On Rigid Metal Conduit/IMC