Raintight Screw-on EMT Compression Connector 2-1/2″, Steel
https://hotfix.nsiindustries.com/product/raintight-screw-on-emt-compression-connector-2-1-2-steel/
Use Bridgeport raintight screw-on compression connectors to create a raintight seal between EMT and an electrical box or enclosure. Patented design comes with an internal sealing ring, knockout gasket and NPSM threads.