Specification

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Cluster Box Units
Officially Licensed by the USPS
Florence “F” Series CBU is Officially
Licensed by the USPS
The Florence vital
TM
1570 series CBU was the
first Officially Licensed CBU of the US Postal
Service for centralized mail delivery.
License #1CDSEQ-08-B-0012
Setting the standard for outdoor
mail delivery
The USPS prefers centralized mail delivery over other
methods for all new construction developments (see
page 4 for more details). The Florence vital
TM
1570 series
cluster box unit (CBU) design has been adopted by the
USPS as the design standard for all CBUs manufactured
in the United States. As the original manufacturer of the
“F” Series, Florence is pleased to offer a complete line
of USPS Approved cluster box units.
We are also honored to have been selected as the
sole supplier of CBUs to the USPS since 2005 and are
proud to offer you the same security and reliability that
the USPS depends on every day.
• Solid aluminum integrated outgoing mail compartment
and parcel lockers in every type
• Heavy-duty tenant cam lock with three keys
• Silver adhesive decals with black numbers (1-16 & 1P-2P)
• Robotically welded cabinet and hood seams
• Rugged, weather-resistant powder coat finish
• Constructed of stainless steel and aluminum, including
aluminum pedestal
• Master front-loading door designed to prevent prying
with interlocking overlapping seams
Product Features
florencemailboxes.com/CBU
Optional Features
• Custom door ID: decals (up to six characters) or
engraving (color-filled or standard)
• Private delivery lock options: three- or four-digit
combination lock
Cluster Boxes
CBU Standard Door Sizes
Type IV Tenant Door
5” H x 12” W
Parcel Locker
13-3/4” H x 12” W
Parcel Locker
10-1/4” H x 12” W
All CBU Types are designed with pre-configured
standard tenant door heights and integrated
parcel lockers.
Easy release handle to open
master gate
Rugged, weather-resistant
textured powder coat finish
Stainless steel hold open door catch
on each side of master gate
Aluminum comb prevents
mail fishing in outgoing mail collection
compartment
Heavy duty cam latches through
frame for added security
Matching Aluminum
Pedestal
(included)
Heavy-duty tenant cam lock
with three keys
Standard silver adhesive
identification decals
(engraving optional)
Sloped top for moisture runoff Interlocking, overlapping seams
to prevent prying
Solid aluminum integrated outgoing
mail collection compartment prepped
for USPS Arrow Lock
Integrated Outgoing Mail Slot
with weather protection hood
Fully Integrated parcel locker(s)
with key trapping lock
Type I, II, III Tenant Door
3-1/4” H x 12” W