S. They are ideal for commercial use or residential applications such as housing developments, apartments or townhouses. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. They also include parcel lockers, drop boxes. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. SereneLife AZSLMAB02 Wall Mount Lockable Mailbox, Outdoor Galvanized Metal Key Large Capacity, Commercial Rural Home Decorative and Office Business Parcel Box. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. S. Request a Quote. 3 Compartment Surface Mount Vertical Mailboxes - Anodized Aluminum. These mailboxes have horizontal compartments that lock, and often include parcel lockers. Mailboxes for Homes. $374. One of our most popular products is the Cluster Box Units (CBU). Salsbury Regency ® Decorative Cluster Mailboxes. 571. If you need a large or specialized order, such as for college dorms, hospital patients, or nursing home residents, please call us at (866) 707-0008. 16 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. Cluster Box Units (CBU’s) manufactured by Salsbury Industries provide USPS access and offer a secure means of receiving mail and packages. If you need a large or specialized order, such as for college dorms, hospital patients, or nursing home residents, please call us at (866) 707-0008. Including the pedestal, the total unit height is 62 inches. 4C mailboxes are a convenient way to provide centralized mail delivery for multi-family. 00. 3 Compartment Fully Recessed Vertical Replacement Mailboxes - Anodized Aluminum. $2,524. Model # CBU-12. S Mail delivery) and private use/access style commercial mailboxes for private. 20 Tenant Doors with 2 Parcel Lockers and 1 Outgoing Mail – Freestanding Depot Enclosure with 4C Horizontal Mailbox Unit (USPS Approved) – H4C16D-20-D. Our selection of pedestal mounted and cluster outdoor mailboxes are built to USPS standards and resist rain, snow, and more. An approved Cluster or 4C Horizontal unit will be prepped for the U. Home USPS Approved Commercial Mailboxes 4C Horizontal Parcel Lockers. Mailboxes are U. This is indicated with the "X" on every photo. curbside delivery, come in four (4) contemporary colors and have an 11" W x 2" H mail deposit opening. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything. 50 View Options. S. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. FAQs Request a Quote Contact. 50. Browse our popular range of cluster mailboxes, 4C mailboxes, horizontal mailboxes, vertical mailboxes and various accessories today. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. The 3300R Series is a USPS. We manufacture the highest quality postal products—residential mailboxes, commercial mailboxes, apartment mailboxes, cluster box units, mail center products, locking mailboxes, mailboxes approved directly by and made for the United States. we offer a vast selection of commercial mailboxes for community spaces. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Postal Carrier to install their arrow lock for the master door (this allows the postal carrier to deliver mail to all individual. Mailbox Emporium offers the largest selection of USPS approved and private delivery mailboxes. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. 00 $2,859. High Quality USPS Approved Commercial Mailboxes. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. All tenant locks and keys are included and a wide selection of color finishes are also available. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. 6-Door 3500 Series Vertical Mailbox. Postal Service. Web Specials. S. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. in all weather conditions, making it the primary external delivery system for the USPS. USPS Approved Commercial & Community Mailboxes. Mail slots should be at least 1. An approved Cluster or 4C Horizontal unit will be prepped for the U. National Mailboxes has been a leading Midwest Wisconsin based manufacturer, distributor and supplier of high quality residential and commercial mailboxes for over 20 years. S. Constructed of heavy duty aluminum and stainless steel hardware. Commercial & Community Mailboxes that are USPS Approved Since 2005, USPS-approved Florence commercial mailbox units have set the industry standard for outdoor centralized mail delivery. Fast Shipping. Vault drop boxes offer convenience for residential and commercial purposes. Find the right mailbox with maximum security. outdoor cluster mailboxes from US Mail Supply can be mounted on virtually any residential or commercial property. National Mailboxes offers a wide range of commercial mailboxes for multi-tenant, private, and high security use. Wholesale Pricing $ 2,763. USPS requires new construction projects to adhere to 4C systems, including one package locker per five units. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. 3308-U. Be sure that your mailboxes adhere to the following: USPS Regulations. Commercial mailboxes have been the cornerstone to the National Mailboxes product line for many decades which supplies, manufacturers, and distributes a wide selection of multi-tenant commercial mailboxes. S. 8 Available Colors. 00 out of 5. As a USPS approved manufacturer, Salsbury Industries conveniently sells USPS Approved Cluster Box Units (CBU's) factory direct. $3,159. Includes outgoing mail tray. Feature a durable powder coated finish available in sandstone, bronze, green, black, white and gray (for replacement units only) Include 2 or. Residential, commercial 4C, USPS-Approved, private use, & more. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Request a Quote. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. 8 Door USPS Approved Cluster Mailbox. Commercial Mailboxes. F181570-12. 3. The units range in size from eight to 30 doors, so you get a heavy-duty mailbox that fits your facility. S. This kit allows your 4C Mailbox and Parcel Locker center to be easily mounted indoors or outdoors! 4C Commercial Mailboxes are USPS Approved and meet or exceed STD-4C. Cluster Box Unit With Crown Cap and Pillar Pedestal Accessories -16 Compartments. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Outdoor Parcel Lockers (OPL's) are U. You save: $505. com. Salsbury 3700 series 4C horizontal mailboxes and parcel lockers meet the specifications of USPS-STD-4C. If you’ve looked at commercial mailboxes on the National Mailboxes website, you may have noticed that some are labeled USPS-Approved or For Private Delivery. Details. SKU. Cluster Mailboxes Provide Security and Weather Protection Cluster mailboxes provide a convenient, central location for apartment tenants, hotel guests, even military base residents to pick up their mail. Rated 4. Buy 4C Horizontal Parcel Lockers factory direct from mailboxes. Florence 12 Tenant Cluster Mailbox Model #1570-12. Average Cost Estimate: $135 – $435. 00 $1,878. Rated 5. Model # 3507SU. Commercial Mailboxes. When sending outgoing mail, customers simply need to drop it off at the mail slot. These USPS-approved mailboxes are ideal for residential, indoor, and commercial use to. Includes a single parcel compartment. Compare this Product. Mailboxes are U. 75 inches deep by 48. Browse our locking residential mailboxes used for residential and commercial applications. Mailbox Cost: $14 – $50, $25 – $75. S. 50 View Options; Newspaper Holder for Mail Chest Mailboxes – H4315. 50 View Options. These mailboxes are designed for multi-tenant. Outdoor Mailboxes; Indoor Mailboxes;Designed for replacement and retrofit installations, Salsbury 4B+ horizontal style commercial mailboxes are ideal for apartments, condominiums and office buildings. If you do not have a raised curb, contact your local postmaster for guidance. $2,277. The cluster box itself measures 30. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. approved 4C horizontal mailbox unit and a matching free-standing enclosure - minor assembly required. 5 - Front Loading - Private Access. USPS Approved Locking Mailbox Solutions | Florence Mailboxes Configurator FIND A DEALER The ultimate centralized mailboxes for your project — hassle not included. Flexible, customizable solution for individual project needs. $1,348. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. In this case, the weight limit is sixteen ounces, provided you aren’t required to use a customs form. And all powder coated paint finish colors are weather resistant, rust proof. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Indoor or outdoor use. Rated 4. Before installing your centralized mailbox, it’s important to make sure that it meets USPS regulations. Multi-unit orders for commercial applications have many. Cluster Box Units (CBU'S) Standard Cluster Mailboxes; Regency Decorative Cluster Mailboxes; Outdoor Parcel Lockers (OPL's). The Salsbury Standard Cluster Mailbox and Regency® Decorative CBU Type I, Type II, Type III, Type IV, Type V, Type VI and Outdoor Parcel Lockers (OPL's) are all licensed and approved by the U. 8 Available Colors. Mail Supply today or call us at 262. USPS-approved and private use 4C, 4B+, Cluster Box Units, & more. Our company offers a wide variety of USPS approved products and all of our mailboxes are delivered fully. 20 Tenant Doors with 2 Parcel Lockers and 1 Outgoing Mail – Freestanding Depot Enclosure with 4C Horizontal Mailbox Unit (USPS Approved) – H4C16D-20-D. 75. Local: 262-782-6510 Toll Free: 800-571-0147 FAQs Request a Quote Contact For fully USPS approved horizontal mailboxes straight out of the box, shop our 4C USPS approved horizontal mailboxes. Related Items. 0147. curbside mail delivery. 4C Mailbox with 20 tenant compartments, 2 parcel lockers, and 1 outgoing mail compartment. Outdoor apartment mailboxes from US Mail Supply are built to withstand sun. $483. P. SKU. FAQs Request a Quote Contact. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. 10 Tenant Doors with 2 Parcel Lockers and Outgoing Mail Compartment - 4C Wall Mount ADA Max Height Mailboxes - 4CADD-10. The 1570 series CBU from National Mailboxes is designed to meet or exceed the new USPS Security Standards. These high security commercial Cluster Box Units (CBU) are made entirely of heavy duty extruded aluminum with stainless steel hinges, which means they won’t ever rust. 5 inches deep. 8 Tenant Door Traditional Decorative Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 1 USPS Approved – H1570-8AF-DT. com, we have mailbox solutions for government agencies, colleges, high schools, police stations, and other commercial locations across North Carolina. The units range in size from eight to 30 doors, so you get a heavy-duty mailbox that fits your facility. Contact Us. 4C mailboxes are USPS Approved and meet or exceed STD-4C re. Buy mailboxes online, including USPS approved commercial pedestal mailbox systems, mailroom supplies, totes and sorters for sale with fast shipping. Tags: CBUs, USPS-Approved, Commercial Mailboxes. Local: 262-782-6510 Toll Free: 800-571-0147 FAQs Request a Quote ContactCommercial USPS Approved Mailboxes in California. Each CBU comes with high-security features that deter mail theft before it starts. And all powder coated paint finish colors are weather resistant, rust proof. Include matching pedestal. Cluster Mailboxes are approved for use throughout the U. USPS-Approved Commercial Mailboxes in South Carolina. 00 Add to Cart Shop commerical mailboxes. 00 $382. S Mail delivery or as private use/access style commercial mailboxes for private distribution. Black finish looks beautiful on both indoor and outdoor commercial mailboxes. Standard Number Slots for Door Identification Included (Optional Door Engraving also Available) Explore our wide selection of mailboxes for commercial buildings (new construction and replacement). 00 . We offer a 100% secure online shopping experience or you can place your order with one of our mailbox experts at 1-888-352-9194. The Salsbury Standard Cluster Mailbox and Regency® Decorative CBU Type I, Type II, Type III, Type IV, Type V, Type VI and Outdoor Parcel Lockers (OPL's) are all licensed and approved by the U. Modular designs with nearly 150 base modules. Postal Service will only deliver to your mailbox if it's up to their standards - including box size, location, slot dimensions and identification info. 50 View Options. Shop depot mounted STD-4C mailboxes for private delivery and USPS approved wall mounted commercial 4C horizontal mailboxes & collection boxes. 00 $2,399. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. USPS Approved Commercial, Apartment, & Residential Units The U. STD-4C Mailboxes. We give additional discounts on USPS approved large security mailbox purchases. 2. Availability: In stock. These regulations also apply to Post Mounted Mailboxes and Locking Mailboxes. 00 Free Shipping. The new, USPS-approved 4C series of mailboxes contain multiple horizontal customer compartments in one cabinet. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. com online catalogs. 8 Tenant Doors with 1 Parcel Locker and Outgoing Mail Compartment - 4C Wall Mount 15-High Mailboxes - 4C15S-08. Salsbury 3312-U 12 Door Cluster Mailbox - USPS Approved (Includes Pedestal) See More by Salsbury Industries. the RIGHT mailbox. 0147. We even have vertical options, like the Salsbury 3503RP and 3308-P, for small properties. CBU Commercial Mailboxes - 8 Door with 4 Parcel Lockers. Contact U. Vertical Mailbox - 3 Doors - Surface Mounted - USPS Access. Incorporate security features to help prevent break-ins. Pedestal-mounted USPS-approved CBU. com, we offer high-quality, innovative, and USPS-approved mailboxes. 12 Tenant Door Classic Decorative High Security CBU Mailbox with 1 Parcel Locker (Pedestal Included) – Type 2 USPS Approved – H1570-12AF-DC. 16 Tenant Door Standard Style High Security CBU Mailbox with 2 Parcel Lockers (Pedestal Included) – Type 3 USPS Approved – H1570-16AF. 4B Horizontal Mailboxes – come in four colors and are ideal for private mail. Back to top of page. F181570-12. Including the pedestal, the total unit height is 62 inches. 00 Free Shipping. Learn More. At BudgetMailboxes. Florence 4C Versatile horizontal mailboxes are constructed of heavy gauge aluminum and stainless steel components. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. USPS Approved Commercial, Apartment, & Residential Units The U. 00 out of 5. New communities and commercial complexes will need USPS mail delivery. And all powder coated paint finish colors are weather resistant, rust proof. These mailboxes are modular and meet any project’s needs. USPS Approved Commercial, Apartment, & Residential Units The U. The versatile 4C Depot is a free-standing mailbox cabinet that includes a USPS approved 4C horizontal mailbox and/or parcel locker unit. The U. $3,574. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. 1. Wholesale Pricing $ 1,808. Made entirely of aluminum. Related Products; People Also Bought; IN STOCK. S. If you have multiple tenants or employees, check out the Salsbury 2116 Front Loading model. S. Regency Outdoor Parcel Locker (Includes Pedestal, CBU Top and Pedestal Cover - Short) - 4 Compartments - USPS Access. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. 4C Free-Standing Horizontal Mailboxes include a U. FAQs Request a Quote Contact. Mail Chests (1 Product) Grid List. View All Products. Their robust construction, locking mechanisms, USPS approval, and additional security features make them a reliable choice for mail storage and protection. USPS Approved Mailboxes for Apartment Buildings. $4,049. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes are for private deliveries only. 5 inches wide by 16. Give your tenants a safe and private place to collect their mail. Florence Commercial Mailboxes offers free shop drawings and layout assistance! Florence offers the broadest line of front-load commercial mailboxes that are USPS compliant. USPS Commercial Mailboxes FILTER. Contact US Mail Supply for more information on USPS approved commercial mailboxes. Add to Wish. 745. 25 inches high. Add to Cart. P. Local: 262-782-6510 Toll Free: 800-571-0147. S. This kit allows your 4C Mailbox and Parcel Locker center to be easily mounted indoors or outdoors! 4C Commercial Mailboxes are USPS Approved and meet or exceed STD-4C. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Here are the average price ranges for different mailboxes: Pedestal- or pillar-mounted: $1,200 to $2,100. Quantity: Page 1 of 1 1. 39. 00. approved; Manufactured by Salsbury Industries to USPS-STD-7B specifications; Made entirely of aluminum; Feature both a front and rear access locking door; Include a lock with 2 keys on each door (keyed alike)Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. For more detailed specifications, please view this Technical Drawing. These (USPS Approved) high security type Cluster Mailboxes are outdoor rated and weather resistant and weather-proof. $1,999. Model # 3304R. Commercial Shop indoor and outdoor mailboxes for apartment complexes, condos, offices, colleges, or. Learn More: Mailbox FAQsUSPS Regular Mail (Domestic) Mail slots are designed to ship out regular-sized, USPS mail. 97 out of 5. Horizontal 4C mailboxes are USPS approved (STD-4C) and 4C depot style mailboxes. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. 00 Free Shipping. And all powder coated paint finish colors are weather resistant, rust proof. USPS Approved Commercial, Apartment, & Residential Units The U. Salsbury 3500 Series surface mounted vertical mailboxes are available in 5 contemporary colors. USPS Approved Commercial Mailboxes; Private Commercial Mailboxes. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Surface Mounted 4C Horizontal Mailbox Unit (includes 3716S-06 Mailbox, 3816S Enclosure and Master Commercial Locks) - Maximum Height Unit (57 3/4 Inches) - Single Column - 6 MB1 Doors / 1 PL3 and 1 PL4. Ideal for commercial and residential developments. N1029455. Premium Decorative Municipal Quality Street Light Package - LED. 75 inches deep by 48. Browse our wide selection of mailboxes & get free shipping on qualified mailbox orders today! Options for aluminum mailboxes include: Standard System – has six unique door configurations. Salsbury 16 Tenant Doors and 2 Parcel Lockers Cluster Box Unit (CBU) Mailbox with USPS Access - Model 3316. But you don’t want any old mailbox. Colors: Standard color is Anodized. 97 + free shipping. The USPS. USPS Approved Commercial Mailboxes. For more product info contact the National Mailboxes Customer Support Center at 1-800-676-5161. In Texas, your mailbox will have to endure more than 220 days of annual sunshine and temperatures that routinely rise past 100 degrees. Our CBUs have as few as four distinct compartments and as many as 16, including separate sections for large parcels. 00 (19%). S. PEDESTALS SOLD SEPARATELY. Salsbury 3308-U 8 Door Cluster Mailbox - USPS Approved (Includes Pedestal) See More by Salsbury Industries. Recessed, In-Wall Mount Type. Front Loading Fully Recessed Single Column Commercial Mailbox with 2 Parcel Lockers. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Mail Supply - perfect USPS approved or private use boxes for commercial or residential areas. Commercial and residential cluster mailboxes from U. Neat, attractive mailboxes make a significant contribution to the appearance of the countryside and streets in suburban areas. Skip to content. S. Ideal for commercial buildings, multi-family housing units, apartment complexes, government and military bases, schools, colleges and other. Mailboxes used in new construction projects can be one of the following two types of centralized mailbox equipment: a. Ideal for commercial buildings, multi-family housing units, apartment complexes, government and military bases, schools, colleges and other. All high quality powder coated finishes are rated and approved for outdoor/indoor use and installations. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. EMPTY. 4C Horizontal mailboxes are designed to ensure that a maximum number of USPS compliant tenant compartments are available within the given height, and meet Fair Housing ADA installation requirements. 00 Free Shipping. Mail package drops are U. 16 Door Cluster Mailbox - CBU (Pedestal Included) - Type 3 USPS Approved Mailboxes - 1570-16AF. Rated 5. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. Local: 262-782-6510 Toll Free: 800-571-0147. Residential USPS Approved Mailboxes in Texas. 00 As low as $2,019. Ensure all parcel lockers are no lower than 15 inches, and all customer compartments between 28 and 67 inches from the ground or floor. Phone: Call (866) 707-0008. USPS-Approved Commercial Mailboxes in Tennessee For larger communities and commercial properties, curbside and wall-mounted mailboxes fail to meet mail delivery needs, especially when centralized mail delivery is desired. The 4C horizontal mailboxes are required for new construction and/or major renovations effective. Postal Service. PEDESTALS SOLD SEPARATELY. If you purchase a commercial mailbox from us and decide to cancel because a competitor lists a "faster" lead time on their site, you may be delaying the time it will. And all powder coated paint finish colors are weather resistant, rust proof and corrosion. 50 View Options. We are the leader in providing high quality collection mailboxes in the United States. Decorative Traditional 4 Door CBU Mailboxes with Extra Large Tenant Doors. Made entirely of aluminum, 3700 series 4C horizontal mailboxes are U. USPS Approved and Postal Certified for US Mail Delivery. Salsbury Regency ® Decorative Cluster Mailboxes. The standard features for our parcel lockers includes a full range of finishes, engraved doors, and included pedestal stand base. 571. The centennial mailbox by Architectural Mailboxes is the first design to receive united states postal service approval against the new USPS standard 7C regulation, released in. Commercial Mail Boxes USPS Approved Mailboxes . S. Replacement Large CBU Parcel Locker Door (All Colors) As low as $60. 00 As low as $1,469. Mail Chest Model # 4350 . The 3300R Series is a USPS. Designed to protect the mail from weather. Reputable mailbox suppliers will provide USPS-approved options for you to choose from. Salsbury 4300 Series Roadside Mailboxes Features. Mailbox Cost: $14 – $50, $25 – $75. Effective October 5, 2006, all new designs approved for NEW CONSTRUCTION AND MAJOR RENOVATION require U. Options for aluminum mailboxes include: Standard System – has six unique door configurations. National Mailboxes is a division of NMHP Inc. Related Items. Wholesale Pricing $ 3,268. When larger properties come into play, whether they be apartment complexes, entire communities, or large office complexes, some type of centralized mail delivery is a must. 50. S. US Mailboxes is committed to continuing the values of maintaining a high quality service in a prompt and timely manner. Here are some key USPS regulations that pertain to commercial mailboxes: USPS-Approved Mailboxes: Perhaps the most fundamental USPS regulation is the requirement for commercial mailboxes to be USPS-approved. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. A USPS Approved mailbox refers to any commercial or residential mailbox that is pre-approved by the Post Office prior to proper installation. 1. As a USPS approved manufacturer, Salsbury Industries conveniently sells USPS Approved Cluster Box Units (CBU's) factory direct. 50 View Options. Whether you need one for residential or commercial use, these vault mailboxes can hold up to 2+ weeks of mail and parcels while you're away for weekends and vacations. The Salsbury Standard Cluster Mailbox and Regency® Decorative CBU Type I, Type II, Type III, Type IV, Type V, Type VI and Outdoor Parcel Lockers (OPL's) are all licensed and approved by the U. Cluster Box Units (CBU’s) 4C Horizontal Mailboxes. 5-Door 3500 Series Vertical Mailbox. Each Florence cluster box unit (CBU) is constructed of 300 series stainless steel and heavy-duty aluminum. S. Approved - master postal lock not required. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. For more detailed specifications, please view this Technical Drawing. Manufactured of Heavy Duty Aircraft Aluminum and Stainless Steel for Added Durability. 50 View Options. 00. 140055OUA Florence 4B Mailbox (5 High) Front Loading – 25 Doors (20 Usable) – USPS. com is your source for commercial mailboxes, CBU and cluster mailboxes, 4C horizontal mailboxes, commercial mailboxes and residential mailboxes. Colors apply to select mailboxes which include most of the primary USPS Approved commercial mailbox product lines including the NEW 4C Series and CBUs. Technical Specifications (Dimensions, etc.