Salsbury Industries Mail Chest with Front & Rear Access
Salsbury Industries Mail Chest with Front & Rear Access
$500.00
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The Salsbury 4300 Series Mail Chest is a large, locking, all-aluminum curbside mailbox with front and rear access. Mail goes in through a non-locking front panel and you collect it through a locking door. It suits homes, schools, colleges, offices and military bases.
Highlights
- USPS approved; master postal lock not required
- Locking front and rear doors, 2 keys each, keyed alike
- Non-locking front deposit panel
- Bigger outgoing mail tray and deposit area than the roadside mailbox
- Adjustable red signal flag
- Made entirely of aluminum, powder coated
- Salsbury Industries is ISO 9001:2015 certified and has made mailboxes since 1936.
Specifications
| Brand | Salsbury Industries |
|---|---|
| Model | 4350 (BLK, SLV, WHT) |
| Series | 4300 Mail Chest |
| USPS | USPS approved; master postal lock not required; built to USPS-STD-7B |
| Material | All aluminum |
| Access | Front and rear locking doors, 2 keys each, keyed alike |
| Mail deposit | Non-locking front access panel |
| Extras | Outgoing mail tray, adjustable red signal flag |
| Colors | Black, Silver, White |
Roadside mailbox vs mail chest
Roadside mailbox dimensions:

Mail chest dimensions (bigger outgoing mail tray and mail deposit area):

Optional accessories
Newspaper holder, custom engraved placards, custom vinyl numbers and letters, non-locking thumb latches, replacement locks, replacement red signal flag. Several mail chests can share a standard pedestal with spreaders. Email us at customercare@mailboxempire.com to order.
Installation
Mounts on a bolt mounted or in-ground Salsbury standard pedestal (sold separately). See the Installation tab for guides. Check with your local postmaster before installing.
Shipping and returns
- Ships direct from Salsbury Industries, usually within 1-3 business days. Tracking is emailed when it leaves.
- Returnable within 30 days of delivery if unused, not installed or modified, and in the original packaging. Request an RGA number before sending it back.
- The customer pays return shipping. Restocking fee: 20% for residential orders, 25% for commercial or bulk orders (5+ items).
- Report shipping damage or missing parts within 48 hours of delivery.
- Full policy: Shipping and returns.
Frequently asked questions
Is it USPS approved?
Yes. It is built to USPS-STD-7B specifications and no master postal lock is required. Check with your local postmaster before installing.
How is it different from the roadside mailbox?
The mail chest has a bigger outgoing mail tray and mail deposit area. See the dimension drawings above.
Does it come with a post?
No. It mounts on a Salsbury standard pedestal, sold separately.
Product specifications
| Material | Aluminum |
|---|---|
| Dimensions | — |
| Weight | — |
| Mailbox features | — |
| Included in box | — |
| Estimated shipping | — |





