Made of heavy gauge aluminum and stainless steel hardware, Salsbury 3700 series 4C standard horizontal mailboxes and parcel lockers are U.S.P.S. approved. Each standard mailbox door (MB1) is 13-1/4'' W x 3-1/4'' H and includes a heavy duty cam lock with a dust/rain shield and three (3) keys.

4C standard horizontal mailbox units are available in configurations that are one door wide (single column) and two (2) doors wide (double column). U.S.P.S. standard 4C requires a minimum of one parcel locker for every ten (10) tenant compartments.

The Salsbury MAXIMUM HEIGHT 3716D-20 has two (2) fully integrated 15-1/2" high parcel lockers and twenty (20) MB1 mailbox doors which meets this requirement. Several other standard units in equivalent standard mailbox door HEIGHTS of 15, 13, 11, 9, 7, 5 and 3 are also available. Fully integrated and stand-alone parcel lockers are available in five (5) equivalent standard mailbox door heights (PL5 – 17-1/4” H) and six (6) equivalent standard mailbox door heights (PL6 – 19” H). A compartment equivalent to two (2) 3-1/4'' high standard doors is used for outgoing mail collection and is labeled “Outgoing Mail”.

4C standard horizontal mailboxes units and fully integrated or stand-alone parcel lockers are designed for indoor and outdoor applications and feature a durable powder coated finish available in four attractive colors, ALUMINUM, BRONZE, GOLD or SANDSTONE.

These units are available as FRONT LOADING units or REAR LOADING units and can receive mail from either the US POSTAL SERVICE or from a PRIVATE INDIVIDUAL.