Cluster Box Units (CBUs) USPS Approved - Commercial Mailboxes

Introducing the New "F" series CBU -- 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

Select a Cluster Box Unit mailbox product below to learn more:

Standard Style Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
8 Door Type 1 CBU H1570-8AF	12 Door Type 2 CBU H1570-12AF	16 Door Type 3 CBU H1570-16AF	13 Door Type 4 CBU H1570-13AF

Traditional Style Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
8 Door Type 1 CBU H1570-8AF-DT	12 Door Type 2 CBU H1570-12AF-DT	16 Door Type 3 CBU H1570-16AF-DT	13 Door Type 4 CBU H1570-13AF-DT

Classic Style Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
8 Door Type 1 CBU H1570-8AF-DC	12 Door Type 2 CBU H1570-12AF-DC	16 Door Type 3 CBU H1570-16AF-DC	13 Door Type 4 CBU H1570-13AF-DC

Options and Accessories
Optional CBU Accessories	Classic Style Decorative CBU Options	Traditional Style Decorative CBU Options

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