Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Salsbury 3900 Horizontal Series Free-Standing Mailbox, 20 Compartments with 2 Parcel Lockers, Front-Loading, Black, 72.125 in H x 31.75 in W x 18.5 in DFree standing 4C horizontal mailbox with 20 doors and 2 parcel lockers Heavy duty, USPS access free standing 4C horizontal mailbox from Salsburys 3900 Series. Features 20 tenant compartments, two integrated parcel lockers, and an outgoing mail slot in a durable, powder coated aluminum enclosure for indoor or outdoor installations. Key Features: USPS Approved 4C System: Front loading access with carrier master door and outgoing mail slot Durable
Free-standing 4C horizontal mailbox with 20 doors and 2 parcel lockers
Heavy-duty, USPS-access free-standing 4C horizontal mailbox from Salsbury’s 3900 Series. Features 20 tenant compartments, two integrated parcel lockers, and an outgoing mail slot in a durable, powder-coated aluminum enclosure for indoor or outdoor installations.
Key Features:
- USPS Approved 4C System: Front-loading access with carrier master door and outgoing mail slot
- Durable Construction: All-aluminum body with stainless steel hardware and powder-coated finish
- Secure Locking: Heavy-duty cam locks with dust/rain shields; anti-fish plate on mail slot
- Flexible Deployment: Free-standing enclosure ideal where wall-mounting isn’t feasible; indoor or outdoor use
- Compliant Design: Meets 4C requirement of one parcel locker per five compartments; ADA-height options available
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Series | Salsbury 3900 Series |
| Configuration | Double column, 20 tenant doors with 2 parcel lockers |
| Loading/Access | Front-loading with carrier master door (USPS arrow lock installed by USPS) |
| Overall Dimensions | 31.75 in W x 72.125 in H x 18.5 in D |
| Material | Heavy-duty aluminum with stainless steel hardware |
| Finish | Durable powder coat, color: Black |
| Door Sizes | MB1 doors: 3-1/4 in H x 12-3/4 in W; other MB sizes available in series |
| Outgoing Mail | 11-3/4 in W x 3/4 in H mail slot with weather protection hood; labeled 'Outgoing Mail' |
| Security | Heavy-duty cam locks; anti-fish plate on rear of mail slot; dust/rain shield |
| Use Case | Indoor or outdoor installations; apartments, commercial buildings, residential developments |
| Compliance | Meets USPS 4C standards; ADA height compliant units available |
| Construction | Includes USPS-approved 4C mailbox unit and matching free-standing enclosure |
Frequently Asked Questions (FAQ):
Q: What are the overall dimensions?
A: Approximately 31.75 in W x 72.125 in H x 18.5 in D.
Q: Is this unit USPS approved and front-loading?
A: Yes, it’s a USPS-approved 4C mailbox with front-loading master door access.
Q: What materials are used?
A: Constructed of heavy-duty aluminum with stainless steel hardware and a powder-coated finish.
Q: How many tenant and parcel compartments are included?
A: 20 tenant mail doors and 2 fully integrated parcel lockers, plus an outgoing mail compartment.
Q: Can it be installed outdoors?
A: Yes, it is designed for indoor or outdoor use with weather-resistant features.
Streamlined Mail Hub, Elevated Curb Appeal
This sleek, monolithic mailbox station brings order and elegance to multifamily entries and modern commercial lobbies. The matte black, powder-coated aluminum creates a refined architectural statement while neatly organizing deliveries behind clean, numbered doors. Style it against light stone or warm wood cladding to heighten contrast and sophistication. A polished essential for luxury living, it marries security with impeccable design.
Create a secure, professional mail center—add this 4C free-standing mailbox to your project today.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.2 ★★★★★
Based on 1727 reviews
Sort
Product Reviews
★★★★★ 4
Nothing Exceptional but Gets the Job Done
Color: Blue, Size: 4.3-Quart, Color: Blue, Size: 4.3-Quart
I’ve owned this 4.5 Qt. Amazon Enameled Cast Iron Dutch Oven for almost two months and have used it three times to date. Upon arrival and at first glance, the gradient blue color is beautiful and super glossy; most importantly, the pot is heavy for its size - as it should be. It looks exactly like the product pictures, with a globular shape than square shape as others. Unfortunately, I also noticed that there was one pin hole and two tiny uneven protrusions on the enamel inside the pot.
I own three other enameled cast iron cookware from two other brands (photos attached for size comparison) and performance wise, this cast iron by Amazon performs equally to them. The pot isn’t exceptional or special but it gets the job done. Other than the pin holes and protrusions, I have no complaints. This isn’t my first rodeo so when heating up the pot and while cooking, I have zero issues.
I am starting the pan off at 4-Stars and will update my review as time progresses, or if I have any major issues with its durability or performance in subsequent months. For the amateur home cook, or for anyone who is new to cast iron cooking, below I’ve included tips that you may find useful while using this or any other enameled cast iron cookware.
================================
Regarding the 3 Photos and 1 video I've Attached:
(Note: all photos were taken with an iPhone under kitchen lights during the evening. Photos have not been edited nor enhanced.)
Photo 1: Size comparison of this Amazon Enameled Cast Iron Dutch Oven compared to three other enameled cast iron cookware that I own from two other brands. From left to right: 7 qt. Tramontina, 4.5 qt. Amazon, 3 qt. Lodge 4 qt. Tramontina.
Photos 2 and 3: fresh produce shown next to 4.5qt Amazon Dutch Oven for color and size contrast.
Video: 4.5 qt. Amazon Enameled Cast Iron Dutch Oven on gas stove over medium heat, with food cooking.
================================
TIPS THAT YOU MAY FIND USEFUL While Using your cast iron dutch oven:
(Note: I included these similar tips in my review of a different enameled cast iron pot from a different brand. My tips can apply to all enameled cast iron cookware)
1. If you find that you have issues with food sticking, it could be that you are not heating up your cast iron pot properly to prevent undue hot spots.
I heat my pot up gradually starting at low, then medium, then high heat. After my pot is very hot is when I add my fat/cooking oil. As the oil is heating up in the pot, I lift it and swirl the oil around to coat all sides of the pot that will come in contact with food.
2. Take into consideration the temperature of the items you are adding to your heated pot. As a general rule for cooking: when ever possible, ensure that the items you are adding to a hot pot are at room temperature, rather than ice cold from the fridge; this will assist with even cooking.
3. Also, get comfortable with adjusting your heat by lowering and raising it based on what you’ve added to the pot. In general, you will need more heat at the beginning of the cooking process, and less heat towards the end. If you cook by recipe, I highly recommend that you read all the steps ahead before starting, so that you become familiarized with all the procedures, allowing you to maneuver accordingly when you start cooking.
4. At the exception of searing meat to achieve a brown crust, deep frying, or when caramelizing onions, you should be stirring your pot (I recommend using a wooden spoon) every few minutes when cooking in cast iron that is placed over high heat. If you are braising on the stove at low heat versus braising in the oven, the frequency of your stirring will need to be adjusted. No matter how you’re cooking though, a watchful eye on the pot plus stirring, should both be a habit not an afterthought.
5. For all cooking vessels in general but especially for cast iron: after cooking, allow your pot to cool down completely before cleaning. NEVER immerse a hot cast iron pot into cold water, nor pour cold dish water into hot pot. You risk not only being scald by dangerous steam, but you also risk weakening the enamel, therefore lessening the durability of your pots over time.
6. This cookware and others like it from Tramontina and Lodge are economical and if used correctly, will perform well for most cooking; if used correctly, they should also last for years. Nonetheless, if you can afford it, authentic enameled cast iron cookware made in France by Le Creuset is the best way to go. Le Creuset is the gold standard in cast iron cookware and their quality is second to none. I definitely recommend this Amazon dutch oven but if you can afford to splurge, Le Creuset's reputation is stellar. As a professional chef, I've used them in high end kitchens and their quality and performance is premier.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 2, 2018
★★★★★ 5
Nice BIG enameled cast iron dutch oven. like LeCreuset but costs less
Color: Blue, Size: 6-Quart
This is nice quality, similar to the far more costly French LeCreuset brand. I was surprised how big this model is, possibly too big for my small kitchen and limited storage space. I store it in the oven. It would be great for baking sourdough boule bread.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
★★★★★ 5
Enamel finish
Color: Matte Navy, Size: 6-Quart
This is an amazing pot, got the 6 Qt
for beautiful roast dinners and for baking bread. All comes out evenly baked. Cast Iron is best and it has a nice finish for easy clean up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty.
The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home.
Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down.
They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price.
If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Reliable, Comfortable Dumbbells I Actually Use Every Day
Style: 12 Pound, Pair, Style: 12 Pound, Pair
I’ve been using the Amazon Basics Neoprene Dumbbell Hand Weights daily, and they’ve honestly been perfect for my routine. Whether I’m doing a quick morning workout or adding resistance to a longer session, these have held up really well.
The neoprene coating makes a big difference—it provides a comfortable, non-slip grip, even during longer workouts or when my hands get a little sweaty. They’re also easy to clean and don’t have that strong rubber smell some weights can have.
I really appreciate the hex shape too. They stay put when I set them down (no rolling across the floor), which makes switching between exercises quick and frustration-free. The weight feels evenly distributed and well-balanced, so movements feel controlled and smooth.
Overall, these are simple, no-frills dumbbells that just work. If you’re looking for reliable hand weights for everyday use—whether you’re a beginner or just need something dependable for home workouts—these are a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
recommand products
Ferrara - Power Adjustable Headrest Power Recliner With Zero Gravity - Smoke
781.14
An Introduction to Road Design for Cold Regions for Professional Engineers
66.40
Shinkansen. El tren de la alta velocidad en Jap—n. Tecnolog’a y efecto social
61.46
Tarte Au Citron
89.00
A New Bibliography of Reginald A. Fessenden
33.70