4B+ Horizontal Mailbox with USPS Access [35 A Doors]

• 4B+ horizontal mailboxes are U.S.P.S. approved for replacement and/or retrofit installations
• Manufactured by Salsbury Industries to USPS-STD-4B+ Specifications
• Ideal for apartments, condominiums, commercial buildings and residential developments
• Made entirely of aluminum
• Feature a durable powder coated finish available in aluminum, bronze and sandstone
• Available in “A” size doors (6-1/2″ W x 5-1/4″ H) and larger “B” size doors (13″ W x 5-1/4″ H)
• Units with standard “A” size doors are available in 3, 4 or 5 doors wide and 5, 6 or 7 doors high
• Units with larger “B” size doors are available in 2 doors wide and 5, 6 or 7 doors high
• Doors include a 5 pin cylinder cam lock (with 2 keys)
• Front loading door panel swings on a continuous hinge
• Include factory installed 3/4″ W x 1/4″ D trim and a removable aluminum rear cover (rear loading) OR a solid rear cover (front loading)
• Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936
• Rear Loading: all openings are usable
• Front Loading: one mailbox opening is required for a master postal lock (installed by the U.S.P.S.) and cannot be used for mail distribution

• Custom engraved placards
• Custom engraved doors – regular
• Custom engraved doors – black filled
• Replacement locks
• Additional keys
• Key blanks

Downloads:

• More Product Information
• Installation Instructions
• Technical Drawing
• AutoCAD Drawing
• Specifications

Videos:

• 4B+ Horizontal Mailbox Video
• Installation Video — Tenant Door Replacement
• Installation Video — Tenant Lock Replacement