Florence 4C mailboxes are USPS Approved and meet or exceed STD-4C requirements for new construction and major renovations. They are also ideal for private delivery applications. With numerous pre-configured 4C modules available, be sure to refer to USPS Approval guidance in product details below when selecting pre-configured 4C mailboxes for your project.
Includes: Key Cylinder with 3 keys per tenant box. Prepped for USPS Arrow Lock.
Product technical details, including the Rough Opening, can be found here: