Salsbury Recessed Mounted 4C Horizontal Mailbox with Parcel Lockers, Rear LoadingRecessed 4C Horizontal Mailbox with Rear Loading Parcel Lockers Durable 4C horizontal parcel locker cabinet designed for recessed installation and USPS access. Rear loading unit features heavy duty aluminum construction, stainless hardware, and a powder coated finish for indoor or outdoor use. Key Features: USPS Approved: Meets USPS STD 4C specifications for secure mail and package delivery Heavy Duty Build: All aluminum construction with stainless

Recessed 4C Horizontal Mailbox with Rear-Loading Parcel Lockers

Durable 4C horizontal parcel locker cabinet designed for recessed installation and USPS access. Rear-loading unit features heavy-duty aluminum construction, stainless hardware, and a powder-coated finish for indoor or outdoor use.

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Key Features:

• USPS Approved: Meets USPS-STD-4C specifications for secure mail and package delivery
• Heavy-Duty Build: All-aluminum construction with stainless steel hardware and durable powder-coated finish
• Rear-Loading Access: Includes heavy-duty rear access door with latch and continuous hinges
• Integrated Parcel Lockers: Individually numbered compartments with 2-key security system for convenient package pickup
• Modular Connectivity: Includes 4C horizontal connector kit to link multiple units for larger installations

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Series	Salsbury 3700 Series 4C Parcel Lockers
Installation	Recessed mounted
Access Type	Rear loading; heavy-duty rear access door with latch and continuous hinges
USPS Compliance	USPS-STD-4C; USPS approved
Construction	Heavy-duty aluminum with stainless steel hardware
Finish	Durable powder-coated; colors available: aluminum, bronze, sandstone, black
Use	Indoor or outdoor
Configuration	Double column; fully integrated stand-alone parcel lockers
Parcel Locker Sizes Supported	PL3 (10-1/4 in H), PL4 (13-3/4 in H), PL4.5 (15-1/2 in H), PL5 (17-1/4 in H), PL6 (20-3/4 in H)
Included Trim	Factory installed 1 in W x 1/4 in D trim
Connectivity	Includes 4C horizontal mailbox connector kit
ADA	ADA height compliant units available
Dimensions	31.125 in W x 57.125 in H x 16.5 in D
Weight	145 lbs

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Frequently Asked Questions (FAQ):

Q: Is this unit USPS approved?
A: Yes, it is manufactured to USPS-STD-4C specifications and is USPS approved for mail and parcel delivery.

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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 stainless hardware.

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Q: How do tenants retrieve packages?
A: Each parcel locker is individually numbered and uses a 2-key security system supplied by USPS for secure pickup.

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Q: What type of access does this model use?
A: This model is rear-loading with a heavy-duty rear access door, latch, and continuous hinges.

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Q: Can multiple units be connected?
A: Yes. A 4C horizontal mailbox connector kit is included to connect multiple recessed-mounted units.

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Architectural Mail Delivery, Streamlined

This recessed 4C parcel locker creates a clean, integrated facade—sleek aluminum planes with crisp edges that feel both modern and enduring. The uniform grid of numbered doors becomes a subtle architectural rhythm, elevating corridors and entryways. Pair it with matte black hardware and warm wood wall panels for a refined, hospitality-inspired lobby. It’s a quiet luxury essential that marries function with impeccable order.

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Outfit your project with secure, USPS-approved parcel management—add this recessed 4C locker to your cart today.

Installation