Salsbury Industries Free-Standing 4C Horizontal Mailbox Unit, Maximum Height, Double Column, Aluminum, Front Loading, USPS Access (72 in)Free standing 4C double column aluminum mailbox with USPS front access A maximum height, free standing 4C horizontal mailbox system built from heavy duty aluminum with stainless steel hardware for indoor or outdoor use. This double column unit provides 20 tenant doors plus 2 parcel lockers and front loading USPS access, ideal for apartments and commercial buildings. Key Features: USPS Compliant Design: Front loading master door panels with outgoing

Free-standing 4C double-column aluminum mailbox with USPS front access

A maximum-height, free-standing 4C horizontal mailbox system built from heavy-duty aluminum with stainless steel hardware for indoor or outdoor use. This double-column unit provides 20 tenant doors plus 2 parcel lockers and front-loading USPS access, ideal for apartments and commercial buildings.

---

Key Features:

• USPS-Compliant Design: Front-loading master door panels with outgoing mail compartment and USPS lock access
• Durable Construction: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish
• High Capacity: 20 MB1 tenant doors with 2 parcel lockers to meet 4C requirements
• Versatile Installation: Free-standing enclosure enables placement where wall mounting isn’t feasible
• ADA Considerations: Available in ADA height compliant configurations

---

Specifications Table:

Specification	Details
Mailbox Type	Commercial 4C horizontal mailbox
Configuration	Maximum height, double column
Access	Front-loading USPS access
Tenant Doors	20 MB1 doors
Parcel Lockers	2 (PL45 size indicated)
Material	Heavy-duty aluminum with stainless steel hardware
Finish	Durable powder-coated; aluminum color
Overall Dimensions	19.00 x 32.25 x 72.00 inches (L x W x H)
Weight	130 lbs
Lock Type	Heavy-duty cam lock; key lock
Use	Indoor or outdoor
Mount Type	Free-standing enclosure (not wall mount)
Outgoing Mail	Includes outgoing mail compartment with 10-3/4" W x 3/4" H slot and weather hood
ADA Compliance	ADA height compliant units obtainable
USPS 4C Requirement	Minimum 1 parcel locker for every 10 tenant compartments

---

Frequently Asked Questions (FAQ):

Q: Is this unit approved for USPS delivery?
A: Yes, it includes USPS-approved 4C horizontal mailboxes with front-loading access and an outgoing mail compartment.

---

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: How many tenant compartments and parcel lockers are included?
A: This configuration includes 20 tenant doors (MB1 size equivalents) and 2 parcel lockers.

---

Q: What are the overall dimensions?
A: Approximately 19.00 x 32.25 x 72.00 inches (L x W x H).

---

Q: Does it come with locks and keys?
A: Doors include heavy-duty cam locks with dust/rain shields and typically include 3 keys per compartment.

---

A Sleek Mail Center That Elevates Multi-Unit Entrances

This aluminum 4C mailbox feels crisp and contemporary, delivering order with elegant restraint. The double-column silhouette and uniform door layout create a refined rhythm while the powder-coated finish adds a polished touch. Pair it with clean architectural lighting and a neutral palette to anchor lobbies or community mail rooms. It’s a smart, sophisticated essential that makes daily life feel luxuriously organized.

---

Upgrade your property’s mail center with this USPS-compliant, durable 4C unit for secure, streamlined delivery.