SKU: 44154478619

Salsbury 4C Horizontal Mailbox, Front-Loading, Aluminum, 56-3/4 in H x 31-1/8 in W, 20 MB1 Doors with 2 Parcel Lockers

Sale price$1184.89 Regular price$1316.55
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

Salsbury 4C Horizontal Mailbox, Front-Loading, Aluminum, 56-3/4 in H x 31-1/8 in W, 20 MB1 Doors with 2 Parcel LockersSalsbury Front Loading 4C Horizontal Mailbox, 20 Doors 2 Parcel Lockers USPS STD 4C approved recessed 4C horizontal mailbox built from heavy duty aluminum with stainless hardware. This double column, front loading unit provides 20 tenant compartments plus two integrated parcel lockers and an outgoing mail slot, ideal for apartments and commercial buildings. Key Features: USPS Approved 4C Design: Complies with USPS STD 4C for new construction and

Salsbury Front-Loading 4C Horizontal Mailbox, 20 Doors/2 Parcel Lockers

USPS-STD-4C approved recessed 4C horizontal mailbox built from heavy-duty aluminum with stainless hardware. This double-column, front-loading unit provides 20 tenant compartments plus two integrated parcel lockers and an outgoing mail slot, ideal for apartments and commercial buildings.


Key Features:

  • USPS Approved 4C Design: Complies with USPS-STD-4C for new construction and renovations
  • Durable Construction: Heavy-duty aluminum body with stainless steel hardware and powder-coated finish
  • Secure Access: Heavy-duty cam locks with dust/rain shields and 3 keys per door; carrier access door for USPS arrow lock
  • Integrated Parcel Lockers: Two built-in parcel lockers meet the 1:5 parcel-to-tenant ratio
  • Flexible Installation: Recessed mount with factory-installed trim; indoor/outdoor use

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Series Salsbury 3700 Series 4C Horizontal Mailboxes
Mounting Type Recessed mount
Access Type Front loading (USPS access)
Overall Dimensions 31.125 in W x 57.125 in H x 16.5 in D
Unit Height Class Maximum height unit (56-3/4 in nominal)
Tenant Compartments 20 MB1 doors
Parcel Lockers 2 integrated parcel lockers (meet 1:5 ratio)
Outgoing Mail Outgoing mail compartment with 10-3/4 in W x 3/4 in H slot and weather hood
Door Sizes MB1 doors: 3-1/4 in H x 13-1/4 in W
Construction Heavy-duty aluminum with stainless steel hardware
Finish Durable powder coat (aluminum, bronze, gold, sandstone options)
Locks Heavy-duty cam locks; 3 keys per tenant door; carrier access door accepts USPS master arrow lock
Compliance Manufactured to USPS-STD-4C; ADA height compliant units available
Included Factory-installed 3/4 in W x 1/4 in D trim; solid rear cover; connector kit to join multiple units
Use Indoor or outdoor

Frequently Asked Questions (FAQ):

Q: Is this mailbox USPS approved?
A: Yes, it is manufactured to USPS-STD-4C and approved for USPS access.


Q: How is it installed?
A: It is a recessed-mounted unit with factory-installed trim; follow the included installation instructions and technical drawings.


Q: Can it be used outdoors?
A: Yes, it is designed for indoor or outdoor use with a durable powder-coated finish.


Q: What are the compartment sizes?
A: MB1 tenant doors are 3-1/4 in H x 13-1/4 in W; unit includes two parcel lockers meeting USPS 4C requirements.


Q: Does it include an outgoing mail slot?
A: Yes, it has a labeled outgoing mail compartment with a 10-3/4 in W x 3/4 in H slot and weather hood.


Streamlined Mail Organization with Architectural Presence

This 4C mailbox reads as a refined architectural element—sleek aluminum planes and crisp geometry that tidy a lobby with conviction. The hand-finished, powder-coated surface offers a subtle sheen, while the rhythm of numbered doors creates an elegant, ordered façade. Pair it with warm wood cladding or honed concrete to strike a modern, hospitality-grade moment. It’s a polished essential that elevates daily routines into a gesture of considered luxury.


Outfit your building with USPS-approved, secure mail delivery—add this Salsbury 4C mailbox to your project today.

Installation

Shipping Notes
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  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 44154478619

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4.4 ★★★★★
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D
Dave B
Draper, US
★★★★★ 5
Very high quality wire is great for automotive use
Size: 25FT, Style: 8AWG
This is really good quality wire. The insulation is thick, it is super flexible and very finely stranded. In fact the strands are so fine that you really should be using ferrules to terminate the wire. Without a ferrule, it would be very easy to have a stray strand extend to another terminal, and the strands are so fine that you may not even see it if you have old eyes like me. I used this wire to run from my battery to a fuse, and then to an amplifier inside my vehicle. The wire is so flexible that it may be difficult to push it through the grommets in the firewall of a vehicle. I wound up taping it to a coat hanger, and pushing it through, which was an effective workaround. The insulation is also a bit grippy, so it may be a good idea to apply a lubricant to the grommet, so you don't wind up pulling the whole grommet out of the hole while pulling the wire. If I needed more wire, I would certainly pick up more of this for my next project.
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Reviewed in the United States on October 14, 2025
O
Oldshoes
Boise, US
★★★★★ 5
Good as it Gets
Size: 50FT, Style: 8AWG, Size: 50FT, Style: 8AWG
This is excellent wire I've been doing solar set ups for about 2 years now and this is as good as any I have used or seen. The Silicone insulation is super supple - it can easily be bent into quarter (25 cent) size loops. It is a true 8AWG super fine stranded tinned copper cable. It doesn't appear to be listed - but the cable is stamped every couple inches with 200* C and 8AWG. I'll forgo the listing - I know this stuff is good wire - and the only inspection I have to pass is my own. I ordered the 50 foot Red, 50 foot black. It is selling now for about 90 bucks. 90 cents a foot – pretty good deal for this wire. 7 Super Novas for The YDDECW 50ft Red & 50ft Black, 8 AWG Tinned Copper cable kit.
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Reviewed in the United States on August 31, 2025
G
Gabe
Boise, US
★★★★★ 5
Flexible and bendable
Size: 50FT, Style: 8AWG, Size: 50FT, Style: 8AWG
The 8 Gauge Silicone Wire kit (50ft red and 50ft black) is an absolute game-changer for anyone working with RC cars, boats, drones, or any high-performance electronics! The wire is made from 1650 ultra-fine tinned copper strands that offer incredible flexibility and bendability. This makes it perfect for tight spaces or projects that require a lot of maneuverability. The silicone insulation is top-notch—it's soft, durable, and incredibly heat-resistant, handling temperatures from -60°C to +200°C without issue. I’ve used it in various applications, and it’s been flawless in both scorching heat and freezing cold conditions. Plus, the tinned copper core ensures excellent conductivity and low resistance, which means maximum efficiency for your devices. Whether you're wiring RC planes, boats, cars, or working on home appliances or motors, this wire has you covered. It’s also eco-friendly and non-toxic, which is a huge plus if you care about the environment. The kit includes 50ft of red and black wire, which is more than enough for most projects. If you're looking for durable, flexible, and high-performance wiring that can withstand extreme conditions, this silicone wire is the way to go! Highly recommend it for anyone in need of reliable, long-lasting power solutions for their electronic projects!
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Reviewed in the United States on August 1, 2025
H
Verified Purchase
Hit or Miss
Phoenix, US
★★★★★ 5
Great easy plugs and even better value
Size: 6 pairs
Great plugs and amazing value for the money. Easy to use and tighten and the screw cover works wonderfully. Even comes with a couple extra screws in case you lose one. The sound is better than what I had and I used 14 gauge wire. Plugs were perfect, not too tight at all. I could see having to push for new posts but they are snug and didn't take too much force to put in. 10/10
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Reviewed in the United States on December 27, 2025
C
Verified Purchase
Charles C
Carnegie, US
★★★★★ 5
Great looking and easy to install.
Size: 6 pairs
These 24K gold-plated banana adapter connectors have proven to be an excellent choice for my outdoor speakers, providing a clean and seamless installation. The quality of these banana plugs is outstanding. The 24K gold plating not only adds a touch of elegance but also ensures optimal conductivity and corrosion resistance. I appreciate the attention to detail in the design, which allows for a secure and reliable connection between the speaker wire and the speakers themselves. Installation was a breeze. The plugs fit snugly into the speaker wire, providing a secure connection that minimizes signal loss. The process was straightforward and hassle-free, allowing me to set up my outdoor speakers quickly and efficiently.
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Reviewed in the United States on June 29, 2023

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