4C horizontal mailboxes for Private Access. Ideal for colleges, schools, personal postal facilities, business mail facilities, military bases, government agencies and numerous additional applications. For outdoor or indoor use. Constructed of heavy duty aluminum and stainless steel hardware. Doors include a heavy duty cam lock with a dust/rain shield and three keys. MB1 doors are 13 1/4 apos apos W x 3 1/4 apos apos H. A compartment equivalent to 2 3 1/4 apos apos high basic doors is used for outgoing mail collection and is labeled Outgoing Mail . The front of the outgoing mail compartment is comprised of two fixed panels and there's no master commercial lock access door. Outgoing mail compartment includes a 10 3/4 H x 3/4 H mail slot and weather protection hood. Include factory installed 3/4 W x 1/4 D trim plus one or two heavy duty back access door s with latches and continuous hinges. Parcel locker doors include master commercial lock s . Double column. Color Gold....