APC 1U 19" Black Modular Toolless Blanking Panel - Black - 10U Rack Height - 1 Pack - 1.8" Height - 19" Width - 1.1" Depth

The modular toolless mount 1U plastic blanking panel design allows for quick and easy installation in any EIA-310-D compliant square hole mounting rail rack or enclosure. Blanking panels promote proper airflow through an enclosure, preventing air recirculation by occupying unused rack space. Their use will improve the efficiency of cooling within the rack. More from the Manufacturer