4B+ Horizontal Mailbox with 34 Doors Access:USPS the 4C Standard Mailboxes are

the 4C Standard Mailboxes are mandatory on all new construction and major renovation projects as of October

Storage and handling requirement and recommendations

Combine a traditional look with strength and durability

Doors to be plain (non-vented)

4B+ Horizontal Mailbox with 34 Doors Access:USPS the 4C Standard Mailboxes areThe 1400 Series front loading horizontal mailboxes are designed for use in larger apartment buildings, dorms, office buildings, etc. These secure lockable mailbox units can accommodate either U. S. Postal Service or private party access. Lock type is a 5 pin tumbler lock with 1,000 key changes, two keys, and a clear plastic name number slot for identification by tenants. Please note that one door must be used as either a postal door (for USPS approved