Product Details
The 4C Horizontal Mailbox is a U.S.P.S. approved mailbox system designed for apartments, commercial buildings, and residential developments, manufactured to USPS-STD-4C specifications. This model features 11 mailbox compartments and 2 parcel lockers, measuring 41 inches high. It is suitable for both indoor and outdoor use, constructed from heavy-duty aluminum with stainless steel hardware, and finished in durable powder-coat options of aluminum, bronze, gold, or sandstone. The mailbox doors are equipped with heavy-duty cam locks, each providing a dust/rain shield and three keys. The sizes of the mailbox compartments include MB1 doors at 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. Configurations are available in single (1 door wide) and double (2 doors wide) column layouts, along with ADA compliant options, ranging from three MB1 equivalent door heights to a maximum of fifteen MB1 equivalent door heights. The mailbox includes a compartment labeled "Outgoing Mail," equivalent to two standard doors, featuring 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. This kit arrives with factory-installed 3/4" W x 1/4" D trim and a solid rear cover.








