Click to expand Tap to zoom Penn Elcom - R2287/4UK - Security Rack Panel by Penn Elcom Save $-240.99 $240.99 | / SKU R2287/4UK 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 4U Security Rack Panel with Smoked Window. Part No. R2287/4UK Material 1.2mm Steel Finish Black Size (U) 4U