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Bulk Mailbox Discounts
SKU: WL-CBU-16-BLKBM  |  View All 16 Door CBU Mailboxes

16 Door CBU Mailbox - Black

(View all from Cluster Box Units)
& Free Shipping!
List Price:
You Save:

$284.22 (20%)

Volume Discount Pricing
2 - 5$1,112.00
6+ $1,090.67
USPS Approved
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Rush Order

Door ID Layout

Optional Anchor Bolts

Door Identification

According to manufacturer:
Standard - Usually ships in 1 to 3 weeks
Custom - Usually ships in 3 weeks
Ships directly from the factory floor to ensure the quickest available delivery.

16 Door CBU Mailbox - Black

Rear loading Auth Florence mailboxes are designed for mail delivery that require rear access. These mailboxes meet USPS STD-4C requirements. A complete line of Regency CBU decorative options is also available. You can also personalize your rear loading mailbox with custom engraving. These mailboxes are perfect for both residential and commercial purposes.

16 Door CBU, Black Features:

  • Ideal for use in residential and commercial developments
  • Heavy duty aluminum construction and stainless steel hardware
  • Matching pedestal included
  • 5 pin cylinder cam lock with a rain-dust shield and 3 keys
  • "A" size door measures 3-1/8" H x 12-3/4" W
  • Front access via two (2) easy opening master door panels
  • "Outgoing Mail" compartment includes a weather protection flap and mail slot measuring 11-3/4" W x 3/4" H
  • Carrier access door for USPS installed master lock included
  • Regency CBU decorative options available
  • Custom engraving available

Weblife Cluster Box Units - Front Loading
Made of heavy duty aluminum and stainless steel hardware, Weblife 3300 series USPS approved pedestal Cluster Box Units (CBUs) are accessed from the front through two (2) easy opening master door panels. The durable and corrosion resistant units feature a powder coated finish available in six (6) contemporary colors and can be mounted on the optional pedestals (#3385 for #3316 or #3313 and #3395 for #3308 or #3312) or a base of your choice. Each aluminum door includes a heavy duty five (5) cylinder cam lock with a dust/rain shield and three (3) keys. One additional compartment in each unit is labeled “Outgoing Mail" and includes a weather protection flap and an 11-3/4" W x 3/4" H mail slot. Each unit includes one or two (2) fully integrated parcel lockers. An attractive option to CBUs for new and existing CBU installations are Weblife 3300R series USPS approved Regency Decorative CBUs.

Model: 3316

  • Cluster Box Unit (CBU) - 16 ''A'' Size Doors - Type III
  • 16 "A" mail compartments - 12'' W x 3'' H x 15'' D
  • 2 parcel lockers (1) 12'' W x 13-1/2'' H x 15'' D, (1) 12'' W x 10'' H x 15'' D

Powder Coated Finishes:

  • Sandstone
  • Bronze
  • Green
  • Black
  • White
  • Gray

Unit Size: 30-1/2'' W x 48-1/4'' H x 18'' D
Weight: 160

For Your Reference:

OUR SKU is Cluster Box Units CBU-16-BLK

This item is also sometimes listed under the following manufacturer numbers:
WL-CBU-16-BLKBM, 3316BLK, 1570-16AF, 1570-16SP, 1570-16BKAF

Dimensions & Weight
Ship Weight:
16 Door CBU Mailbox - Black
62"H x 30-1/2"W x 17-7/8"D
16 Standard Compartments:
3 1/4"H x 12 7/8"W x 16 3/4"D
1 Outgoing Mail Compartment:
3 1/4"H x 12 7/8&q
175.00 lbs
General Category:
Cluster Mailbox
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Have a question about this product?
Frequently Asked Questions
Question: Hello, we are thinking about purchasing 21 of these... but can't seem to find out if they come with the locks and keys? I do see that the pedastal is additional... is there a bulk item discount if we order 21 with the pedastals? Let me know- thanks!
Answer: Yes, they do come with a set of 3 keys for each tenant door. Please fill out our Bulk Discount Form for a personalized quote to be sent to your email. 

16 Door CBU Mailbox - Black
Shipping Information:

Shipping Estimate:

Standard - Usually ships in 1 to 3 weeks
Custom - Usually ships in 3 weeks

Stock Status:

In Stock

Ships to:


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Wall Mount Mailboxes Locking Mailboxes Commercial Residential