DSI-CWC2124-Unit consists of- Air intake fan and filter: creates positive pressure, eliminates dust Roomy monitor storage: fits most monitors up to 20" Door with clear Plexiglas window: offers visibility and protection, opens for touch screens, available in hinged or retractable styles Pull-out keyboard tray: accommodates ergonomic keyboards CPU and printer area: secure storage with roll-out printer tray Built-in surge suppressor: protects equipment and hardware Theft-proof rear access panel: easy cable connection and routing Lockable monitor area and CPU/printer area are keyed alike