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USPS-approved Salsbury 3500 Series 4B vertical mailbox with three tenant compartments, made entirely of durable aluminum with a powder-coated finish. Designed for surface mounting to flat walls in apartments, condos, and commercial buildings, it includes tenant locks with two keys and a carrier access door for a USPS-provided master arrow lock.
Please check the Product Data Sheet Here
| Specification | Details |
|---|---|
| Series | Salsbury 3500 Series 4B Vertical Mailboxes |
| Mounting Type | Surface mounted (secures through back panel) |
| Number of Compartments | 3 |
| Overall Dimensions | 18.75 in W x 19 in H x 7.5 in D |
| Individual Compartment Size | 5.5 in W x 16.25 in H x 6.75 in D |
| Material | All aluminum |
| Finish | Durable powder coated (aluminum color; also available in bronze and sandstone) |
| USPS Approval | Manufactured to USPS-STD-4B; approved for replacement/retrofit installations |
| Tenant Locks | 5-pin cylinder cam locks; two keys per door included |
| Carrier Access | Door prepared for USPS-provided master arrow lock |
| Door/Trim Features | Striated to resist scratching |
| Ideal Use | Apartments, condominiums, and commercial buildings |
| Unit Weight | 25 lb |
Q: Is this mailbox USPS approved?
A: Yes. It is manufactured to USPS-STD-4B and is approved for replacement/retrofit installations with USPS carrier access.
Q: How is it installed?
A: It surface-mounts directly to a flat wall and is secured through the back panel. Mounting hardware is not included.
Q: What locks are included?
A: Each tenant door has a 5‑pin cylinder cam lock with two keys. The USPS master arrow lock is provided and installed by the Postal Service.
Q: What are the dimensions?
A: Overall: 18.75" W x 19" H x 7.5" D. Individual compartment: 5.5" W x 16.25" H x 6.75" D.
Q: Is labeling available?
A: Optional custom engraved placards are available for door numbering.
This vertical mailbox brings a crisp, architectural profile to common corridors, pairing striated aluminum doors with a robust, powder‑coated frame. The three-door configuration reads as a refined rhythm, while the surface-mount design keeps walls clean and orderly. Style it with minimal black numbering and warm wood paneling to elevate a lobby’s material story. It’s a discreet essential that delivers daily function with polished, modern poise.
Upgrade your building’s mail delivery with this USPS-approved, all‑aluminum 3‑door vertical mailbox—built to install easily and last for years.
Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
US$40
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