Product Brochure

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Powering Your Centralized Mailbox Design since 1934
Cluster Boxes
Whether you plan to serve four or 2,000 residents,
cluster box units (CBU) provide a flexible solution
to accommodate your building project needs.
Simply select the pre-configured unit(s) that has
the best options for your residents. These standard
units can be used individually or in larger group
installations - all providing a convenient, secure
method of mail and package delivery to residents.
Florence “F” Series CBU is Officially Licensed
by the US Postal Service
The complete Florence vital
TM
1570 series CBU line was
the first Officially Licensed CBU product of the US Postal
Service for centralized mail delivery.
License #1CDSEQ-08-B-0012
Color Options
All cluster box unit types are available in
four different architectural color options;
all in a durable, powder coat finish.
*Note: Postal Grey is USPS Approved for replacement
only and is not intended for new installations.
Black (BK) Dark Bronze (DB) Postal Grey* (PG)Sandstone (SD)
Cluster Box Unit Standard Compartment Sizes
All CBU Types are USPS Approved and pre-configured with standard tenant and
parcel locker compartment heights which meet specific regulations.
Note: All OPL parcel locker compartments are 19-5/8” H x 12” W
Type IV
Tenant Compartment
4-3/4” H x 12” W
Type I, II, III, VI
Tenant Compartment
3” H x 12” W
Type V
Double High Tenant Compartment
6-1/2” H x 12” W
Type I, II, III, IV, V, VI
Parcel Locker Compartment
9-7/8” H x 12” W
Type I, III, V, VI
Parcel Locker Compartment
13-3/8” H x 12” W
Cluster Box Units
Features and Options
florencemailboxes.com/CBU
Decals: All CBUs come standard with silver adhesive
decals which are 1-1/2”H x 1-3/4”W. Black lettering
can contain up to five characters per decal.
Engraving: Custom engraving utilizes the USPS
Standard US Block font and is 3/4” tall. All engraving
can include up to 12 characters per line.
Door ID Options
(Actual Size Shown) (Optional Engraving into Aluminum Door)