This is a flanged Lowell Manufacturing SVPL Series 18-Gauge Vented Steel Panel (3 RU}. The panel can be used to close off an opening in your rack panel, protecting it from dust incursion, while presenting a solid looking front. The perforations feature a staggered pattern that provides 63% open area for good ventilation and the integrated flange helps provide strength to prevent warping or bending.
UPC: 811405035128