Salsbury Industries 10-Door High Recessed Mounted 4C Horizontal Mailbox with 2 Parcel Lockers, Rear LoadingRecessed 4C Horizontal Mailbox, 10 Doors with Parcel Lockers (Rear Load) Heavy duty 4C recessed mailbox system built from aluminum with stainless steel hardware, designed for USPS approved centralized mail delivery. This rear loading, double column unit includes 10 tenant doors, 2 integrated parcel lockers, and an outgoing mail slot for secure indoor outdoor installations. Key Features: USPS Approved Construction: All aluminum body with stainless

Recessed 4C Horizontal Mailbox, 10 Doors with Parcel Lockers (Rear-Load)

Heavy-duty 4C recessed mailbox system built from aluminum with stainless steel hardware, designed for USPS-approved centralized mail delivery. This rear-loading, double-column unit includes 10 tenant doors, 2 integrated parcel lockers, and an outgoing mail slot for secure indoor/outdoor installations.

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Key Features:

• USPS Approved Construction: All-aluminum body with stainless steel hardware for durability in indoor or outdoor settings
• Rear-Loading Access: Serviceable from the back through master door panels for secure building installations
• Integrated Parcel Lockers: Two large lockers handle packages alongside 10 MB1 tenant compartments
• Outgoing Mail Slot: Labeled compartment with anti-fish plate and weather flap to deter tampering
• Pre-Numbered Doors with Locks: Each MB1 door includes a heavy-duty cam lock, dust/rain shield, and three keys

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Specifications Table:

Specification	Details
Mailbox type	4C horizontal recessed-mounted, rear-loading
Total tenant doors	10 MB1 doors
Parcel lockers	2 fully integrated lockers
MB1 door size	3-1/4 in H x 13-1/4 in W x 17 in D
Parcel locker sizes	One 13-3/4 in H x 13-1/4 in W x 17 in D and one 15-1/2 in H x 13-1/4 in W x 17 in D
Outgoing mail	Front mail slot with weather protection flap and anti-fish plate; compartment labeled Outgoing Mail
Construction material	Heavy-duty aluminum with stainless steel hardware; durable powder-coated finish
Approval	USPS approved; meets 4C requirement of one parcel locker per ten tenant compartments
Door features	Pre-numbered doors with heavy-duty cam locks, dust/rain shields, and three keys each
Configuration	Double-column, one recessed unit with factory-installed trim (3/4 in W x 1/4 in D)

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Frequently Asked Questions (FAQ):

Q: How many compartments does this unit include?
A: It has 10 MB1 tenant mail doors plus 2 fully integrated parcel lockers and an outgoing mail compartment.

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Q: Is it USPS approved?
A: Yes, this 4C horizontal mailbox meets USPS 4C requirements, including parcel locker ratios.

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Q: Can this be installed outdoors?
A: Yes, it features a durable powder-coated aluminum construction suitable for indoor or outdoor recessed installations.

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Q: How is mail collected and serviced?
A: This is a rear-loading unit accessed from the back through master door panels; outgoing mail is deposited via the front slot with an anti-fish plate.

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Q: Are locks and keys included?
A: Yes, each pre-numbered tenant door includes a heavy-duty cam lock with a dust/rain shield and three keys.

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Streamlined Mail Delivery with Architectural Poise

This recessed 4C mailbox creates an orderly rhythm on the wall, its aluminum face a quiet study in modern utility. I love the clean grid of numbered doors punctuated by two sleek parcel lockers—form meeting function with confidence. Pair it with a monochrome entry palette and linear sconces to elevate multifamily lobbies or mailrooms. It’s a polished, indispensable touch that signals thoughtful, luxurious living.

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Upgrade your building’s mailroom with this USPS-approved 4C unit for secure, streamlined delivery—order now.