4B+ Vertical Mailboxes by Salsbury Industries

Salsbury 4B+ Vertical Mailboxes are ideal for apartments, condominiums, and office buildings and are designed for replacement and retrofit installations. Made entirely of aluminum, Salsbury 3500 series USPS approved 4B+ vertical mailboxes feature a durable powder-coated finish in three contemporary colors: aluminum, bronze, or sandstone.

Vertical mailboxes are available as Surface-Mounted Mailboxes designed to be mounted on a wall or other flat surface. They are also available as Recessed-Mounted Mailboxes intended to fit into a rough opening. Units feature 5-1/2” W x 16-1/4” H extruded aluminum doors. Each mailbox unit has three to seven compartments measuring 6-3/4'' deep. The doors of the mailboxes are equipped with a five-pin cylinder cam lock and two keys. Furthermore, a 2-1/2” W x 5/8” H indentation on each door holds a label that identifies the tenant's name and/or box number.