This panel by Delock is suitable for installation in a 10" network cabinet. It closes open areas in the network cabinet. It closes open areas in the network cabinet. Optimal ventilation The integrated ventilation slots ensure optimal air circulation in the network cabinet. Specification https://elecena.pl/product/20002340/66842-panel-10-with-ventilation-slots-horizontal-4-u-black 2021-12-29 https://elecena.pl/product/20002340/66842-panel-10-with-ventilation-slots-horizontal-4-u-black 2022-06-03