Pull Cap, 1/2″, Polyethylene for Conduit and Bushing Capping
https://hotfix.nsiindustries.com/product/pull-cap-1-2-polyethylene-for-conduit-and-bushing-capping/
The Bridgeport 1/2″ Polyethylene Pull Cap for capping rigid, EMT, IMC conduits and most bushings is impact and corrosion-resistant for a long-lasting fit.