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Commercial 4C 3709D-10 Standard Horizontal Double Column Mailboxes

Commercial 4C 3709D-10 Standard Horizontal Double Column Mailboxes
Item# 3709D-102
Reg. $898.88
Sale Price: $808.99
Finishes:  Loading-Options: 
Availability: Usually ships the next business day

Product Description

Made of heavy gauge aluminum and stainless steel hardware, Salsbury 3700 series U.S.P.S. approved 4C standard horizontal mailboxes and fully integrated or stand-alone parcel lockers are manufactured to meet the specifications of U.S.P.S. standard 4C which was created to provide a higher level of mail security. Each standard mailbox door (MB1) is 13-1/4'' W x 3-1/4'' H and includes a heavy duty five (5) pin cylinder cam lock with a dust/rain shield and three (3) keys. 4C standard horizontal mailbox units with standard mailbox doors and parcel lockers are available in configurations that are one door wide (single column) and two (2) doors wide (double column). Units are also available in 15, 13, 11, 9, 7, 5 and 3 equivalent standard mailbox door heights. Fully integrated and stand-alone parcel lockers are available in 5 and 6 equivalent standard mailbox door heights. U.S.P.S. standard 4C requires a minimum of one parcel locker for every ten (10) tenant compartments. Units feature a durable powder coated aluminum finish and include factory installed 1/2'' W x 1/4'' D trim. A compartment equivalent to two (2) 3-1/4'' high standard doors is used for outgoing mail collection. The compartment is labeled “Outgoing Mail” and includes a 10-3/4'' W x 3/4'' H mail slot and a weather protection hood. 4C standard horizontal mailboxes are designed for indoor and outdoor use and are ideal for apartments, residential communities, commercial buildings and many other applications.

Front Loading:

Units include one or two (2) master door(s) that swing(s) on continuous integral hinges. The two (2) high outgoing mail compartment includes the U.S.P.S. master lock access door and cannot be used for mail distribution. The rear of the unit incorporates a solid closed back.

Rear Loading:

The front of the two (2) high outgoing mail compartment is comprised of two (2) fixed panels and there is no U.S.P.S. master lock access door. The rear of the unit incorporates one or two (2) heavy duty access door(s) with latches and continuous hinges.


  • Size: 31.125"W x 34"H x 17"D
  • Weight: 115 lbs
  • One Parcel Locker (PL6)