Salsbury Recessed Mounted 4C Horizontal Mailbox with Master Commercial Locks, Double Column, Custom Color, Front LoadingRecessed 4C Horizontal Mailbox, Double Column, Front Loading Heavy duty 4C recessed mailbox system for private access in multi tenant buildings. Constructed of aluminum with stainless hardware, it features front loading doors, integrated parcel lockers, and master commercial locks with keys. Offered in custom colors to match your project. Key Features: Durable Construction: All aluminum body with stainless steel hardware for indoor or outdoor use

Recessed 4C Horizontal Mailbox, Double Column, Front-Loading

Heavy-duty 4C recessed mailbox system for private access in multi-tenant buildings. Constructed of aluminum with stainless hardware, it features front-loading doors, integrated parcel lockers, and master commercial locks with keys. Offered in custom colors to match your project.

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Key Features:

• Durable Construction: All-aluminum body with stainless steel hardware for indoor or outdoor use
• Secure Access: Heavy-duty cam locks and master commercial locks included for private access
• Front-Loading Convenience: Outgoing mail compartment with slot and weather protection hood
• Flexible Configuration: Double-column unit with individually numbered compartments and integrated parcel lockers
• Finish Options: Durable powder-coated finish with custom color availability

Please check the Product Data Sheet Here

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Specifications Table:

Specification	Details
Series	Salsbury 3700 Series 4C Horizontal Mailboxes
Mount Type	Recessed mounted
Access Type	Private access (master commercial locks included)
Loading	Front loading
Configuration	Double column; includes integrated parcel lockers
Overall Dimensions	31.125 in W x 57.125 in H x 16.5 in D
Material	Heavy-duty aluminum with stainless steel hardware
Finish	Durable powder coat; custom colors available
Door Sizes	MB1: 3-1/4 in H x 12-3/4 in W; MB2: 6-3/4 in H x 12-3/4 in W; MB3: 10-1/4 in H x 12-3/4 in W; MB4: 13-3/4 in H x 12-3/4 in W
Outgoing Mail	11-3/4 in W x 3/4 in H slot with weather protection hood; anti-fish plate
Security	Heavy-duty cam locks; master commercial lock access door; includes two keys per master lock
Included Trim	Factory-installed 1 in W x 1/4 in D trim and solid rear cover
Connector Kit	Includes 4C horizontal mailbox connector kit
ADA	ADA height compliant units available
Applications	Colleges, schools, private postal centers, corporate mail centers, military bases, government agencies

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Frequently Asked Questions (FAQ):

Q: Is this mailbox USPS-approved?
A: This configuration is for private access; it includes master commercial locks for non-USPS distribution.

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Q: Can it be installed outdoors?
A: Yes. It is constructed of heavy-duty aluminum with stainless steel hardware for indoor or outdoor use.

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Q: What loading type is it?
A: Front-loading with an outgoing mail compartment and master access door.

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Q: Are parcel lockers included?
A: Yes, the double-column unit includes fully integrated parcel lockers with master commercial locks.

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Q: Are custom colors available?
A: Yes, units are powder-coated and available in custom colors.

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Architectural Mail Organization, Elevated

This recessed 4C mailbox system brings a refined, architectural presence to lobbies and corridors. Its crisp aluminum doors and orderly grid create a disciplined rhythm that feels both modern and timeless. Pair the custom powder coat with stone or warm wood paneling for a tailored, gallery-like entry. It’s a seamless, secure essential that sets the tone for elevated, everyday living.

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Specify this recessed 4C mailbox today for secure, front-loading mail management that matches your project’s aesthetic.

Installation