SPECS: 19"L x 0.31"W x 7"H, Slotted, Flanged, Constructed of cold rolled steel in a black powder coated finish, compliant with EIA/ECA,ROHs standards | IMPROVE AIRFLOW: Fill unused spaces in network server racks and cabinets to improve the airflow and cooling efficiency around equipment | EFFICIENT: Minimizing bypass airflow and eliminating exhaust air recirculation helps reduce operating costs, improve performance and extend the lifespan of your equipment | ORGANIZED: Conceals unused rack spaces and visible cables for a clean and organized appearance | QUICK INSTALL: Installs horizontally on most 19-inch racks and cabinets with the included hardware ( 4 x 10-32 Screws)