Salsbury Industries 10-Door High Surface Mounted 4C Horizontal Mailbox with 2 Parcel Lockers, Black10 Door Surface Mounted 4C Mailbox with Parcel Lockers Heavy duty aluminum 4C horizontal mailbox system for indoor or outdoor use, finished in durable black powder coat. Features 10 tenant compartments, two integrated parcel lockers, and an outgoing mail slot with USPS carrier access. Key Features: Durable Construction: All aluminum build with stainless steel hardware and corrosion resistant powder coat finish USPS Compatible: Front loading design

10-Door Surface Mounted 4C Mailbox with Parcel Lockers

Heavy-duty aluminum 4C horizontal mailbox system for indoor or outdoor use, finished in durable black powder coat. Features 10 tenant compartments, two integrated parcel lockers, and an outgoing mail slot with USPS carrier access.

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Key Features:

• Durable Construction: All-aluminum build with stainless steel hardware and corrosion-resistant powder coat finish
• USPS Compatible: Front-loading design with carrier access door for USPS-installed master lock
• Ample Capacity: 10 MB1 tenant doors plus two fully integrated parcel lockers for packages
• Secure Access: Each pre-numbered door includes a heavy-duty cam lock with dust/rain shield and three keys
• Convenient Outgoing Mail: Dedicated compartment with weather protection flap and mail slot

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Specifications Table:

Specification	Details
Color	Black
Mounting Type	Surface mounted
Mailbox Standard	USPS 4C horizontal
Tenant Compartments	10 MB1 doors (approx. 3-1/4 in H x 13-1/4 in W x 17 in D)
Parcel Lockers	2 fully integrated lockers: one approx. 13-3/4 in H x 13-1/4 in W x 17 in D; one approx. 15-1/2 in H x 13-1/4 in W x 17 in D
Access	Front loading via master door; USPS carrier access door for master arrow lock
Outgoing Mail	Dedicated compartment with weather protection flap and mail slot (approx. 11-3/4 in W x 3/4 in H)
Construction	Heavy-duty aluminum with stainless steel hardware
Finish	Corrosion-resistant powder coat
Included Hardware	Pre-numbered doors with heavy-duty cam locks, dust/rain shields, and three keys each
Use	Indoor or outdoor

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Frequently Asked Questions (FAQ):

Q: Is this mailbox USPS approved?
A: Yes. It’s a USPS-compatible 4C horizontal mailbox with a carrier access door for the USPS-installed master lock.

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Q: Is it suitable for outdoor installation?
A: Yes, the powder-coated aluminum construction is designed for indoor or outdoor use.

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Q: How many compartments are included?
A: Ten standard MB1 tenant compartments plus two fully integrated parcel lockers and an outgoing mail compartment.

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Q: How is mail accessed for delivery and retrieval?
A: USPS accesses from the front via the master door; tenants use the individual locked doors with keys provided.

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Q: What are the sizes of the compartments?
A: MB1 doors are approximately 3-1/4 in H x 13-1/4 in W x 17 in D; parcel lockers include one about 13-3/4 in H and one about 15-1/2 in H (same width and depth).

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Streamlined Mail Management with Architectural Poise

This sleek, black mailbox column brings order and intention to shared spaces, reading as a refined architectural element. The crisp grid of numbered doors punctuates the facade while the matte powder coat adds modern gravitas. Anchor it in a vestibule or breezeway with warm wood cladding to heighten the contrast and elevate daily routine. It’s a polished essential—form meeting function for truly elevated living.

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Organize your building’s mail with a secure, USPS-ready 4C solution—add this unit to your project today.