3500 Series 4B+ Vertical Mailbox, 5 Doors, Surface Mounted, Aluminum, USPS Access

3500 series 4b+ vertical mailbox, 5 doors, surface mounted, aluminum, usps access features vertical mailboxes are u.s.p.s. approvedonly for replacement and/or retrofit installations manufactured by industries to usps-std-4b+ specifications ideal for apartments, condominiums and commercial buildings made entirely of aluminum feature a durable powder coated finish available in aluminum, brass, bronze, sandstone and green mount directly to a wall and are secured with mounting hardware (not included) individual compartment size is 5-1/2" w x 16-1/4" h x 6-3/4" d doors and trim are striated to resist scratching doors include a 5 pin cylinder cam lock (with 2 keys) mailboxes are available with 3 to 7 compartments industries is an iso 9001: 2008 certified company and has excelled in the field of manufacturing since 1936