EFR racks feature fully welded construction with a load rating of 12,250lb. The EFR rack is 22" wide and is available in depths of 20" and 25", with RU height options of 18RU, 21RU, 27RU, 35RU, 40RU and 44RU. EFR Series racks can be easily joined together or used as standalone racks. The vented side panels are non-removable and built into each frame as a standard feature.