Airflow Management Blanking Panels promote proper airflow within an enclosure by occupying unused rack space. These modular tool-less blanking panels allow for quick and easy installation into any EIA-310 19 inch rack or enclosure with square mounting holes. Brush strips provide a barrier to airflow, while allowing cables to be passed from the front to the rear of the rack. KoldLok grommets seal a variety of cutouts in a raised floor environment to reduce bypass airflow and improve cooling efficiency.