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4B+ Horizontal Mailboxes

 

More Info About 4B+ Horizontal Mailboxes

Designed for replacement and retrofit installations, Salsbury 4B+ horizontal style commercial mailboxes are ideal for apartments, condominiums and office buildings. Made entirely of aluminum, Salsbury 3600 series 4B+ horizontal mailboxes are USPS approved and feature a durable powder coated finish. 3600 series 4B+ horizontal mailboxes are recessed mounted and are available as front loading units or rear loading units. The 3600 series 4B+ mailboxes have been U.S.P.S. approved to the required security upgrades of USPS-STD-4B+. 4B+ horizontal mailboxes are approved for replacement and/or retrofit installations effective October 2006.