Shopping security
Heavy-duty recessed-mounted 4C horizontal mailbox designed for private access in multifamily and commercial buildings. Constructed from all-aluminum with stainless steel hardware, it includes two integrated parcel lockers, numbered tenant doors, and an outgoing mail slot with weather hood.
Please check the Product Data Sheet Here
| Specification | Details |
|---|---|
| Series | Salsbury 3700 Series 4C Horizontal Mailboxes |
| Mounting Type | Recessed mount (double column) |
| Access Type | Front-loading, Private Access (master commercial lock included) |
| Overall Dimensions | 31.125 in W x 37.875 in H x 16.5 in D |
| Unit Height Category | 10-door-high |
| Construction | Heavy-duty aluminum with stainless steel hardware |
| Finish Options | Powder-coated: aluminum, bronze, sandstone, black |
| Tenant 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 |
| Parcel Locker Options | Integrated parcel lockers sizes include PL3, PL4, PL4.5, PL5, PL6 (unit pictured includes PL4 and PL4.5) |
| 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; individually numbered compartments |
| Included Components | Factory-installed trim (1 in W x 1/4 in D), solid rear cover, 4C connector kit, master lock with 2 keys |
| Compliance | ADA height compliant configurations available; ISO 9001:2015 manufacturer |
| Use Case | Ideal for colleges, offices, private postal centers, military and government facilities |
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.
Q: Can it be used outdoors?
A: Yes. It is constructed of heavy-duty aluminum with a durable powder-coated finish suitable for indoor or outdoor use.
Q: What are the overall dimensions?
A: Approximately 31.125 in W x 37.875 in H x 16.5 in D for the 10-door-high double-column model.
Q: What finishes are available?
A: Standard finishes include aluminum, bronze, sandstone, and black.
Q: Does it include keys?
A: Yes. Doors include heavy-duty cam locks with dust/rain shields and 3 keys; master commercial lock and keys are included.
This recessed 4C mailbox brings a clean, modern cadence to corridors and lobbies, dissolving clutter into a refined aluminum façade. The double-column layout with integrated parcel lockers feels tailored—orderly and intentional. Pair it with warm woods and matte black hardware to heighten contrast and sophistication. It’s a polished, indispensable amenity that elevates everyday living with effortless functionality.
Upgrade your building’s mailroom with this secure, recessed 4C mailbox—built to last and ready for organized delivery day one.
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order