VERTICAL MAILBOXES -
RECESSED MOUNTED - U.S.P.S. ACCESS
Our vertical 3500 series mailboxes have been approved to the required security upgrades of USPS-STD-4B+ and are ideal for apartments, condominiums, commercial buildings and many other applications. Recessed mounted units fit into a rough opening and are secured with mounting hardware through the back or side panels. Recessed units feature a fully integrated flanged collar which fits over the rough opening.