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Constructed of heavy duty aluminum and stainless steel hardware, Salisbury 3300 series cluster box units (cbu's) are ideal for commercial and residential developments, multi-family homes and many other applications. These units feature a durable powder coated finish available in sandstone, bronze, Green, black, white and Gray. Salisbury 3300 series cluster box units are manufactured to U. S. P. S. "F" specifications and are an officially licensed product of the U. S. Postal service for centralized mail delivery. The 3300 series type III mailboxes are accessed through the front through two (2) easy opening master door panels and includes an "outgoing mail" compartment, two (2) fully integrated parcel locker and the U. S. P. S master lock access door (lock installed by the U. S. P. S). Salisbury Industries is an ISO certified company and has excelled in the field of manufacturing since 1936.
From the Manufacturer
Salsbury 3300 Series Cluster Box Units (CBU's) - U.S.P.S. Access. Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture Cluster Box Units (CBU's). Manufactured by Salsbury Industries to U.S.P.S. "F" Specifications. License # 1CDSEQ-08-B-0026. Ideal for commercial and residential developments. Include matching pedestal. Constructed of heavy duty aluminum and stainless steel hardware. Feature a durable powder coated finish available in sandstone, bronze, green, black, white and gray (for replacement units only). Accessed from the front through 2 easy opening master door panels. Available in "A" size doors (12-3/4" W x 3-1/8" H) and larger "B" size doors (12-3/4" W x 4-7/8" H). Doors include a heavy duty 5 pin cylinder cam lock with a dust/rain shield and 3 keys. Salsbury Industries is an ISO 9001: 2008 certified company and has excelled in the field of manufacturing since 1936.
Customer
2025-09-05 18:18:05
Love the product. The service was exceptional.
Mike J.
2025-08-21 12:53:31
My wife and I put these mailboxes up during a light snow in Michigan. They went up easily and even she was able to lift one side during the placement. Definitely a 2 person job. Watch out for the doors that open during lifting. They are very heavy.
AMY
2025-08-17 10:13:39
Good product.
J&S Minney
2025-07-18 11:07:58
Converted a motel to 15 short term lease rentals. There was only the one rural box on the street so we needed to upgrade. This did the trick. Poured the cement slab, placed the mounting bolts and when the concrete dried, it bolted down with no problems. Hot tip: She's a heavy lass so grab a mate to help you heave it up on the pedestal. What's cool was the neighbor uses the extra mail slot so now the mail-person has a one stop drop. Even paid me for the "condo" rights. Hot tip #2: plan ahead, you need the local postmaster on board before you place it (and they should approve it no problem) plus they'll line up the technician to install the master locks they use. This process is NOT a one-day task FYI.
Hektoer Donovan
2025-07-01 11:19:25
Just what I needed. Built to spec. It was packed well and took the USPS locks perfectly. The cluster mailbox unit has the same footprint with another brand I already had so it bolted right down onto the concrete.
Carl-n-Karen Krieger
2025-03-19 17:44:31
easy to instal
Neal L. Maslan
2025-02-09 18:16:50
Met/Exceeded all expectations including clearly marked keys for each individual box and parcel boxes
Marcela Corsentino
2025-01-30 14:18:00
The product did not fare well in delivery. Had three dents and the unit had to be straightened out before it was installed. I had to oil due to the locks not working well. Should have returned, but the installer was there and could not returned. My recommendation. Hire someone to install because it is very heavy and open box before the delivery man leave.
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