Middle Atlantic KO-WSB3 KO Series Rear Door Blank Panel Kit

Keep KO Series racks tidy, secure, and optimized for cooling with the Middle Atlantic by Legrand KO-WSB3 Rear Door Blank Panel Kit. This rack accessory closes unused openings on KO Series rear doors to reduce dust intrusion, improve airflow control and prevent air recirculation that can compromise cooling efficiency for servers, switches and video surveillance recorders. The KO-WSB3 is designed to mount directly to KO Series enclosures using existing rack attachment points and included hardware, enabling a fast, low-downtime installation. Constructed from durable steel with a protective finish, the panel delivers reliable, long-term protection in demanding monitoring and networking environments. Its slim profile keeps cable routing areas accessible and works seamlessly with other cable management and security accessories to create a professional, secure equipment bay. Ideal for security, surveillance, IT closets and data center racks, this rear door blank panel helps maintain system performance and extend equipment life. Add the KO-WSB3 to your KO Series rack setup to improve airflow, cleanliness and physical security—order now to streamline installations.

• Closes unused rear openings on KO Series enclosures to improve airflow management and reduce dust ingress
• Sturdy steel construction and protective finish for long-term durability in 19" rack environments
• Direct mount to KO Series rear doors using existing rack points for fast, low-downtime installation
• Low-profile design preserves internal cable routing space and supports cleaner cable management
• Enhances physical security and a professional appearance for surveillance, monitoring, and networking equipment