Versatile™ 4C mailbox suites meet or exceed all security requirements of the USPS STD-4C regulation for wall-mounted mail receptacles. These Auth-Florence 4C mailboxes are constructed of heavy gauge aluminum and 300 series stainless steel components for superior strength, corrosion resistance and exceptional outdoor durability.

Its unique, patented double-locking parcel door mechanism makes sure your mail and packages stay safe and secure while the rugged, corrosion resistant powder coat finish resists scratching and vandalism to make sure your Florence versatile™ 4C mailbox systems looks as appealing in the years ahead as it does the day you install it.
Solid aluminum mail slot frame similar to High Security CBU design protects adjacent customer compartment and collection compartment.

Unique double-locking parcel locking mechanism design for added mail package security.

New USPS-1172 910A lock with three (3) keys.

Number decals up to three digits or engraved identification up to six characters.

Exclusive Florence multi-unit connector kit hardware included with every mailbox model for convenience and ease of installation.