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Availability: Many In Stock
Sku: 3504ARU


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Per the USPS standards, vertical (4B) mailboxes are only to replace existing vertical (4B) mailboxes. All new construction should use 4C Cluster Mailboxes, per USPS regulations. We strongly advise that you discuss installation with your local post master.
Usually ships within 1-2 days
Custom Engraved ships in 1 to 2 weeks

Product Details

  • Salsbury 4 door vertical-style commercial mailboxes are ideal for apartments, condominiums, and office buildings and are designed for replacement and retrofit installations.
  • Made entirely of aluminum, Salsbury 3500 series USPS approved 4B+ vertical mailboxes feature a durable powder coated finish available in 5 finishes.
  • Vertical mailboxes are available as surface mounted or recessed mounted units.
  • Surface-mounted units are designed to be mounted on a wall or other flat surfaces. Recessed mounted units are designed to fit into a rough opening.
  • Units feature 5-1/2¢‚¬³ W x 16-1/4¢‚¬³ H extruded aluminum doors. Each compartment is 6-3/4¢‚¬³ D.
  • Each door includes a 5 pin cylinder cam lock with 2 keys and a 2-1/2¢‚¬³ W x 5/8¢‚¬³ H indentation to accommodate a label identifying the tenant¢‚¬„¢s name and/or box number.
  • Customize your Salsbury 4 Door Vertical Mailboxes with‚ Engraved Self Adhesive Placards for the vertical mailbox doors.
  • These tags are made from heavy-duty plastic and engraved with your custom characters. The tags come with an adhesive back for easy mounting.
  • PLEASE NOTE: 3500 series 4B+ vertical mailboxes have been U.S.P.S. approved for the required security upgrades of USPS-STD-4B+. These mailboxes are approved for replacement and/or retrofit installations.
  • The USPS STD-4C Horizontal Compliant commercial mailbox system‚ is mandatory on all new construction and major renovations
  • Salsbury vertical mailboxes are not intended for outdoor use.
Weight 30 lbs
Shipping Info Usually ships within 1-2 days
Custom Engraved ships in 1 to 2 weeks
Brand Salsbury Industries
Number of Mailbox Doors 4 Mailbox Doors
Mount Type Recessed
Mailbox Type Vertical Apartment Mailbox
Dimensions Individual compartment size is 5 ½ in. W x 16 ¼ in. H x 6 ¾in. D
Mail Capacity Small Packages
Delivery Type USPS Delivery
Access Type Front Loading
Shipping Estimate Usually ships within 1-2 days
Custom Engraved ships in 1 to 2 weeks
Stock Status In Stock
Ships To Ships to the 48 contiguous United States. For AK or HI delivery, please contact us for a shipping quote.
Ship Method Ships via Freight Carrier - Scheduled Delivery
Shipping Policy

Thank you for your order! We will ship your order using the fastest, safest, and most reliable method possible. Small and medium-sized parcels will usually ship FedEx or UPS Ground, while large commercial items will ship via common freight carriers such as YRC, XPO Logistics, etc.

Every product on our site has been carefully selected to ship by a particular shipping method in order to provide you with an optimal delivery experience.

When your order ships, we will notify you via email. Included in your email will be a tracking number for your shipment. We encourage you to track your package online or on the phone with the carrier. Most companies can provide an estimated delivery date.

View our Full Shipping Policy here.
Return Policy

We offer a 90-day return period from the date of shipment. We will refund your order total, less our cost of shipping the item to you. In most cases, you will be responsible for the cost of shipping the item back to us.

Important: Orders returned without authorization will NOT be processed for credit or refunds. YOU MUST obtain a Return Goods Authorization Number (RGA#) from us so that the credit for the merchandise and any refund can be properly processed.

View our Full Return Policy here.