Auth Florence USPS STD-4C Rear Loading Horizontal Commercial Mailbox SystemThe Auth Florence USPS STD-4C Rear Loading Horizontal commercial mailbox systems are perfect for apartments, offices, and multi-tenant buildings serviced by the U.S. Postal Service. The standard features on these locking mailboxes are designed to provide users with a secure mailbox solution. PLEASE NOTE: The USPS requires that all multi-family new construction and major renovations utilize 4C horizontal mailboxes. |









