Product Details
Cluster box units (CBU's) manufactured by Salsbury Industries provide USPS access and a secure means of receiving mail and packages, suitable for commercial use or residential applications like housing developments, apartments, or townhouses. The 3300 series is a USPS accessible CBU that includes a matching pedestal and is constructed of heavy-duty aluminum and stainless steel for durability. Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture cluster box units to U.S.P.S. "F" specifications, License # 1CDSEQ-08-B-0026. The boxes are accessed from the front through two easy-opening master door panels and come with "A" size doors measuring 12-3/4" W x 3-1/8" H, "B" size doors (12-3/4" W x 4-7/8" H), and "C" size doors (12-3/4" W x 6-3/4" H). Doors include a heavy-duty 5-pin cylinder cam lock with a dust/rain shield and three keys. One compartment labeled "Outgoing Mail" features a weather protection flap and an 11-3/4" W x 3/4" H mail slot. The unit includes a carrier access door for USPS-installed master lock and 1, 2, or 4 fully integrated parcel lockers available in small (12" W x 10" H) and medium (12" W x 13-1/2" H) sizes. Salsbury Industries is an ISO 9001:2015 certified company with manufacturing expertise since 1936.








