Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture Cluster Box Units (CBU’s). Ideal for commercial and residential developments, CBU’s are made of heavy duty aluminum and stainless steel hardware. Salsbury CBU’s are manufactured to U.S.P.S. “F” specifications and feature a durable powder coated finish. Each unit includes one or two (2) fully integrated parcel lockers. Salsbury 3300 series standard CBU’s include pedestals and are accessed from the front through two (2) easy opening master door panels. Matching outdoor parcel lockers (OPL’s) are available and offer tenants a convenient way to receive packages on site. Salsbury 3300R series Regency Decorative CBU’s are an easy to order package that includes a 3300 series CBU and matching pedestal, an attractive decorative CBU top and an elegant decorative CBU pedestal cover.