Product Details
The 4C horizontal mailbox is a USPS-approved unit measuring 37 1/2" in height and includes 10 tenant compartments, two parcel locker doors, and a front loading design, constructed from heavy-duty aluminum with stainless steel hardware. This mailbox is specifically manufactured to meet USPS-STD-4C specifications, making it ideal for use in apartments, commercial buildings, and residential developments, and it is required for new construction and major remodels. Following the USPS standard, it features a minimum of one parcel locker for every 10 tenant compartments and is suitable for both indoor and outdoor use. The mailbox has a durable powder-coated finish available in aluminum, bronze, gold, and sandstone, and each door is equipped with a heavy-duty cam lock, a dust/rain shield, and three keys. Mailbox sizes are categorized with MB1 doors measuring 13-1/4" W x 3-1/4" H, MB2 doors at 13-1/4" W x 6-3/4" H, MB3 doors at 13-1/4" W x 10-1/4" H, and MB4 doors at 13-1/4" W x 13-3/4" H. The mailbox is available in configurations ranging from one door wide (single column) to two doors wide (double column) and offers ADA-compliant units. Parcel lockers can be fully integrated or stand-alone, with heights available in 5 MB1 door heights (PL5 - 17-1/4" high) and 6 MB1 door heights (PL6 - 20-3/4" high). Additionally, it features an outgoing mail compartment equivalent to two 3-1/4" high standard doors, labeled "Outgoing Mail," which includes a U.S.P.S. master lock access door, a 10-3/4" W x 3/4" H mail slot, and a weather protection hood, as well as factory-installed trim (3/4" W x 1/4" D) and a solid rear cover.








