Southwire Simpush 1/2" EMT Push-To-Install Watertight Coupling. These push-to-install couplings are used to secure two ends of EMT conduit together quickly and without tools. These EMT fittings are watertight and suitable for outdoor locations as well as indoors CSA /UL Listed Watertight, concrete-tight and rated for direct burial. Reusable and removable with the SimPush removal tool (sold separately). Manufactured with corrosion resistant copper free aluminum.