Improve the organization and appearance of your rack in seconds with a tool-less vented blanking panel - Compatible with 19in 2-post and 4-post server racks - Easy installation with tool-less design - 1U vented panel / Server Rack Filler Panel / Vented Panel for server racks / Server Rack Access Panel - 1U vented rack panel - Increase the airflow in your server rack with vented design that helps keep your equipment running at an optimal temperature.