FeaturesAppletonĀ® Uni-Seal rigid conduit hubs eliminate the need for welded hubsEfficiency of installation is built into the superior design, single wrench installationPatented hex-hub wedge adapter fits nearly flush against the interior side walls of enclosures, provides maximum wiring roomSimple two piece constructionProtective insulated throats, positive grounding and watertight sealing actionFlame resistant insulated throat eliminates need for end bushingsBuilt-in recessed gasket