4B+ Vertical mailboxes are U.S.P.S. approved for replacement and/or retrofit installations. For new construction, see Salsbury Industries' Cluster Box Units and 4C Horizontal Mailboxes.
Manufactured by Salsbury 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, bronze and sandstone
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
Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936