Cluster Box Units (CBUs) USPS Approved

Introducing the New "F" series Cluster Box Units -- designed to meet or exceed new USPS Security Standards. These high security USPS approved cluster box units (CBU) are made entirely of heavy duty extruded aluminum mailbox and stainless steel hinges and are accessed from the front through an easy-opening master door gate assembly with a built-in hold open device

- CBU Mailbox Installation Instructions Manual

  USPS Approved       

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