19 Door / 2 Parcel Free-Standing 4C Horizontal Mailbox Unit (Includes Mailbox and Enclosure)


USPS Approved Cluster Box Units – All cluster mailboxes sold by Mailbox Emporium are approved by the USPS and considered the industry standard for outdoor, centralized mail delivery.
Superior Strength – High Security – Exceptional Durability


Item#: 3916D-19



SAVE $135 (Reg. $2,700)


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Product Description

Salsbury 3900 Series Free-Standing 4C Horizontal Mailboxes – U.S.P.S. Access

Size: 32.25″ W x 72″ H x 19″ D , weight: 255 lbs.


  • Free-Standing 4C Horizontal Mailboxes include a U.S.P.S. approved 4C horizontal mailbox unit and a matching free-standing enclosure – minor assembly required
  • Ideal for apartments, commercial buildings and residential developments
  • For indoor or outdoor use
  • Constructed of heavy gauge aluminum and stainless steel hardware
  • Feature a durable powder coated finish available in aluminum, bronze, gold and sandstone
  • Accessed from the front through 1 or 2 easy opening master door panels
  • MB1 doors are 13-1/4″ W x 3-1/4″ H, MB2 doors are 13-1/4″ W x 6-3/4″ H, MB3 doors are 13-1/4″ W x 10-1/4″ H and MB4 doors are 13-1/4″ W x 13-3/4″ H
  • Doors include a heavy duty cam lock with a dust/rain shield and 3 keys
  • Fully integrated and stand-alone parcel lockers are available in varying sizes: PL3 (10-1/4″ H), PL4 (13-3/4″ H), PL4.5 (15-1/2″ H), PL5 (17-1/4″ H) and PL6 (20-3/4″ H)
  • Available in configurations that are 1 door wide (single column) and 2 doors wide (double column)
  • A compartment equivalent to two 3-1/4″ high standard MB1 doors is used for outgoing mail collection and is labeled “Outgoing Mail”
  • Outgoing mail compartment / carrier access door includes the U.S.P.S. master lock access door (lock installed by the U.S.P.S.) and cannot be used for mail distribution
  • Outgoing mail compartment includes a 10-3/4″ W x 3/4″ H mail slot and weather protection hood
  • Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936

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