RackSolutions 185-4888 cable grommet

The KoldLok Grommet product were developed to provide the best seal against this wasted airflow. Designed to seal openings in new raised floor cutouts prior to the installation of communications, power, or other cabling. HotLok Round Rack Mount Grommet is designed to seal 4” (102mm) cable openings in new and existing server rack cutouts to block bypass airflow and maximize cooling system efficiency.