8 Tenant Cluster Box - 4 Parcel Locker

Cluster Box Units – 3300 “F” Series 

Introducing the new “F” Series Cluster Box Unit (CBU) — designed to meet or exceed USPS security standards. Constructed of heavy-duty aluminum with stainless steel hardware, these high-security units are USPS approved and include a matching pedestal. Access is from the front through two easy-opening master doors, designed with built-in hold-open devices for convenience and safety.

Each CBU features secure tenant compartments, outgoing mail, and fully integrated parcel lockers in one durable, freestanding unit. Designed to reduce mail theft and vandalism, the F-Series includes stronger tenant doors, minimal pry points, hardened locks, and improved outgoing mail protection.

Features

• USPS Approved (meets “F” Series specifications)

• Matching pedestal included

• Heavy-duty aluminum construction with stainless steel hardware

• Durable powder-coated finish available in Sandstone, Black, Dark Bronze, Grey, Green, and White

• Front-loading, freestanding design with two master access doors

• Tenant doors secured with 5-pin cylinder cam locks and spring-loaded covers

• Three keys per tenant door included

• Outgoing mail compartment with protective weather flap and 11-3/4" W x 3/4" H slot

• Integrated parcel lockers included in every unit

• Tenant door identification with standard number plates; optional custom numbering or engraving available

• Built for long-term durability, vandal resistance, and USPS compliance

Type 6 CBU – 8 Tenant Doors + 4 Parcel Lockers

• Tenant Doors: (8) A-size, 12-7/8" W x 3-1/4" H x 16-3/4" D

• Parcel Lockers:

  • (1) Small: 12-7/8" W x 10-1/4" H x 16-3/4" D

  • (3) Medium: 12-7/8" W x 13-3/4" H x 16-3/4" D

• Outgoing Mail Compartment: 11-3/4" W x 3/4" H slot with weather flap

• Unit Size: 62" H x 30-1/2" W x 17-7/8" D

• Pedestal Height: 14-1/2" H

• Weight: 176 lbs.

• Door Identification: Standard number plates included; optional custom engraved numbering available

Options

• Custom Engraved Placards – numbered or lettered

• Custom Engraved Doors – available in standard or black-filled engraving

• Decorative Top & Pedestal Cover – adds architectural detail to match surrounding design

Resources

• Installation Reference Guide

• Installation Manual

• Technical Drawing with Dimensions

Installation Notes

Before ordering or installing, please review the following requirements:

1. USPS Approval (Required Before Ordering)

   • Your local postmaster or USPS growth manager must approve the location of your new CBU.

   • We strongly recommend securing approval before purchase. All CBU sales are final — no refunds.

2. Our Process When You Add Installation Service

   • Your mailbox will ship directly to your address.

   • Once shipped, we’ll reach out to schedule installation.

   • After installation, USPS will install the master lock and activate the unit for service.

3. Concrete Base Requirements

   • CBUs must be anchored to a level, fully cured concrete pad.

   • Anchoring options include:

     • Expansion wedge anchors for new or existing slabs.

     • J-bolts installed at the time new concrete is poured.

4. Removal of Existing Units

   • We can remove old CBUs for an additional cost.

   • Please note: removal does not include offsite disposal. We do not provide haul-away services. If disposal is required, this must be arranged with a separate provider.

5. Disclaimers

   • Customers must obtain USPS approval before ordering.

   • Installation requires the site to be properly prepped (concrete pad poured, level, and cured).

   • Additional fees may apply if the site is not ready when installers arrive.