Salsbury 3300 Series Cluster Box Units (CBU's) - USPS Access

Secure Centralized Mail Delivery Solution

Cluster Box Units (CBU's) manufactured by Salsbury Industries provide USPS access and offer a secure means of receiving mail and packages. They are ideal for commercial use or residential applications such as housing developments, apartments or townhouses. The 3300 Series is a USPS accessible CBU that includes a matching pedestal. Our cluster mailboxes are an excellent choice for durability because they are constructed of heavy-duty aluminum and stainless steel.

Official USPS Licensing & Certification

• Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture Cluster Box Units (CBU's)
• Manufactured by Salsbury Industries to U.S.P.S. STD-4C Specifications
• License # 1CDSEQ-08-B-0026
• Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936

Premium Construction & Security Features

• Constructed of heavy-duty aluminum and stainless steel hardware
• Feature a durable powder coated finish
• Accessed from the front through 2 easy opening master door panels
• Doors include a heavy duty 5-pin cylinder cam lock with a dust/rain shield and 3 keys
• Include a carrier access door for U.S.P.S. installed master lock
• Designed for long-term durability and outdoor use

Complete Mail & Package Configuration

• One compartment is labeled "Outgoing Mail" and includes a weather protection flap and an 11-3/4"W x 3/4"H mail slot
• Include 1, 2, or 4 fully integrated parcel locker(s):
  • Small Parcel Locker: 12"W x 10"H
  • Medium Parcel Locker: 12"W x 13-1/2"H

What's Included with Your Purchase

• USPS Approved 3300 Series CBU mailbox unit
• Matching pedestal (included)
• Carrier access door for USPS installed master lock
• Heavy-duty 5-pin cylinder cam locks with dust/rain shield
• 3 keys per lock
• Outgoing mail compartment with weather protection flap

Available Color Finishes

• Sandstone
• Bronze
• Green
• Black
• White
• Gray (for replacement units only)

Available Customization Options

• Custom engraved placards
• Custom engraved doors - regular
• Custom engraved doors - black filled
• Replacement locks
• Additional keys
• Key blanks
• Regency CBU decorative top
• Regency CBU decorative pedestal cover

Versatile Installation Applications

• Ideal for commercial and residential developments
• Perfect for housing developments, apartments, and townhouses
• Front loading, pedestal mounted design
• Weather-resistant construction for outdoor installations