Free-Standing 4C Horizontal Mailbox, 14-Door, Front-Loading
This Salsbury Industries 4C free-standing horizontal mailbox combines a durable all-aluminum mailbox with a matching pedestal enclosure for indoor or outdoor use. The maximum-height, single-column unit offers 14 tenant doors with front-loading private access and a built-in outgoing mail slot with weather hood.
Key Features:
- Rugged Construction: Heavy-duty aluminum body with stainless hardware and powder-coated finish for long-lasting indoor/outdoor durability
- Secure Access: Heavy-duty cam locks with dust/rain shields and master commercial lock for private access
- User-Friendly Mail Management: Individually numbered compartments plus outgoing mail slot with anti-fish plate
- Flexible Configuration: Maximum-height, single-column layout with 14 MB1-sized doors to optimize capacity
- Easy Installation: Integrated free-standing enclosure enables placement where wall-mounting isnt possible
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
| Series | Salsbury 3900 Series 4C Horizontal Mailboxes |
| Configuration | Single column, maximum height, 14 MB1 tenant doors |
| Access Type | Front-loading, private access with master commercial lock |
| Overall Dimensions | 17.75 in W x 72.125 in H x 18.5 in D |
| Weight | 150 lbs |
| Materials | Heavy-duty aluminum with stainless steel hardware |
| Finish Options | Powder-coated in aluminum, bronze, sandstone, or black (unit shown black) |
| Door Sizes | MB1 doors 3-1/4 in H x 12-3/4 in W (others available in series) |
| Outgoing Mail | 11-3/4 in W x 3/4 in H mail slot with weather hood and anti-fish plate; labeled Outgoing Mail |
| Locks | Tenant doors with heavy-duty cam locks; includes master commercial lock(s) with 2 keys |
| Use Location | Indoor or outdoor |
| Compliance | ADA height compliant units available |
| Included Components | 4C horizontal mailbox unit and matching free-standing enclosure |
Frequently Asked Questions (FAQ):
Q: Is this unit USPS approved?
A: This configuration is for private access (not USPS-delivered); it includes a master commercial lock for building management.
Q: Can it be installed outdoors?
A: Yes. It is designed for indoor or outdoor use with a durable powder-coated finish and weather-protection features.
Q: How is mail accessed?
A: The unit is front-loading via one master door panel; each tenant door uses a heavy-duty cam lock with keys.
Q: What are the overall dimensions?
A: Approximately 17.75 in W x 72.125 in H x 18.5 in D.
Q: Does it include an outgoing mail compartment?
A: Yes. It includes an outgoing mail slot with a weather protection hood and anti-fish plate.
Streamlined Security with Architectural Poise
This sleek, monolithic mailbox column brings order and elegance to entry courts and lobbies. I love the crisp, numbered facade and matte powder-coat that reads modern yet timeless. Cluster several in a rhythm or flank a corridor to create a sculptural, functional statement. Its the kind of refined utility that signals thoughtful, luxury living.
Upgrade your propertys mail system with this secure, ready-to-install 4C free-standing unitbuilt to perform outdoors or in and styled to last.
Installation