Salsbury Industries Free-Standing 4C Horizontal Mailbox Unit, Maximum Height 72 in, Single Column, 14 Doors, Front-Loading, Private AccessFree 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

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.

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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 isn’t possible

Please check the Product Data Sheet Here

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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

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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.

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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.

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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.

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Q: What are the overall dimensions?
A: Approximately 17.75 in W x 72.125 in H x 18.5 in D.

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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.

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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. It’s the kind of refined utility that signals thoughtful, luxury living.

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Upgrade your property’s mail system with this secure, ready-to-install 4C free-standing unit—built to perform outdoors or in and styled to last.

Installation