The Cluster Box Options Overview can be found here. Download PDF for printable version.


Cluster Box Units Provide a Flexible Delivery Solution

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 stock 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 USPS

The Florence 1570 series CBU was the first Officially Licensed CBU of the US Postal Service for centralized mail delivery. License #1CDSEQ-08-B-0012

Cluster Box Unit Standard Compartment Sizes

All CBU Types are USPS Approved and pre-configured with standard tenant and parcel locker heights which meet specific regulations.

Note: All OPL parcel lockers are 19-3/4"H x 12"W

Type I, II, III, VI
Tenant Door
3-1/4"H x 12"W
Type IV Tenant Door
5"H x 12"W
Type V Double High Tenant Door
6-1/2"H x 12"W
Type I, II, III, IV, V, VI
Parcel Locker
10"H x 12"W
Type I, III, V, VI
Parcel Locker
13"H x 12"W
NOTE: As USPS Regulations have designated the pre-configured nature of all cluster box units, Color and Door ID Options are the only selections necessary when choosing which CBU best fits your project needs.
(Actual Size Shown)

Door ID Options

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, with up to 12 characters per line. (Five additional font options are also available.) This 3/4"high engraving may be created with or without two color fill options.

Color Options
All cluster box unit types are available in four different architectural powder coat finishes *Note: Postal Grey is USPS Approved for replacement only and is not intended for new installations.