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Cluster Box Units (CBUs) USPS Approved - Commercial Mailboxes


aluminum cluster box unitaluminum cluster box unit

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 CBUs
Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
locking mail box
2 Door High Security Parcel Locker- H1590T1SD

locking mail box
4 Door High Security Parcel Locker - H1590-T2AF

Traditional Decorative Style CBUs
Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
Classic Decorative Style CBUs
Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
Decorative Stucco Column Style CBUs
Color Options: Sandstone, Postal Grey, Dark Bronze, Black, Forest Green and White
CBU Options and Accessories

aluminum cluster box unit

aluminum cluster box unit

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