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 such as 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 (License # 1CDSEQ-08-B-0026) and produces them to U.S.P.S. "F" specifications. The CBU is accessed from the front through two easy-opening master door panels and offers door size options including "A" size doors (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). Each door includes a heavy-duty 5 pin cylinder cam lock with a dust/rain shield and three keys. One compartment is labeled "Outgoing Mail" and features a weather protection flap with an 11-3/4" W x 3/4" H mail slot. The units include a carrier access door for the USPS-installed master lock and offer one, two, or four 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 ISO 9001:2015 certified and has a manufacturing legacy dating back to 1936.








