Durable floor standing cabinet features a reversible tempered glass front door with a lock and removable side panels. Also features lockable vented double swing rear doors and cable routing knockouts on both top and bottom. Based on heavy duty casters and leveling feet which bring the static load rating to 1760 lb, the RC18U comes pre-loaded with three 2U shelves and three 2U blanks and features a pre-assembled dual ventilation fan system.