The CR12U51001 is designed for use in network closets, classrooms and other locations. It houses network switches and patch panels up to 22 inches deep. This enclosure features convenient top panel cable access openings, perforated doors and side panels for efficient airflow, adjustable rack angles, and square and threaded mounting holes. The CR12U51001 ships fully assembled for quick deployment, and can be customized with compatible accessories. It is covered by a 5-year limited warranty. 12U Carbon Swing Out Wall Mount Rack Enclosure PERFORATED DOOR AND SIDE PANELS: Provides ventilation for small servers and networking equipment in network closets, classrooms, and locations with minimal floor space QUICK RELEASE SIDE PANELS: Lockable side panels can be easily removed for quick access to equipment and cabling HIGH-PRECISION DESIGN: Frame and heavy gauge mounting rails provide a load rating of 132 pounds. Wall mount hardware included or optional casters available (CRA60002 or CRA60003