Standard Cluster Box Units with private access are manufactured by Salsbury Industries. Private access mailboxes are excellent for communities that do not use the United States Postal Service to deliver mail. Our CBU’s come equipped with a factory installed master lock and a matching pedestal. The Salsbury 3300 Series is an excellent choice for durability because they are constructed of heavy-duty aluminum and stainless steel. Learn more about our private access cluster box units, and find the right size for your needs.
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