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HomeUSPS Approved Commercial Mailboxes4B+ Horizontal Mailboxes4B+ Horizontal Mailboxes4B+ Horizontal Mailbox - 21 A Doors (20 usable) - Bronze - Front Loading - USPS Access
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Salsbury 4B+ Horizontal Mailbox - 21 A Doors (20 usable) - Bronze - Front Loading - USPS Access

Model # 3621ZFU
LEAD TIME  usually ships within 1-2 weeks

$2140.00 $1,819.00

Free Freight on all orders in December!

Volume Discounts

QuantityPrice
2 - 5$1,545.00
6 +$1,455.00
Contact Us for Bulk Pricing
22.75" W x 40.75" H x 16.5" D
70 lbs

4B+ Horizontal Mailboxes are USPS approved for replacement installations. For new construction, see Cluster Box Units and 4C Horizontal Mailboxes.

 

More Information

Salsbury 3600 Series 4B+ Horizontal Mailboxes - Front Loading - U.S.P.S. Access

Features

  • 4B+ horizontal mailboxes are U.S.P.S. approved for replacement and/or retrofit installations
  • Manufactured by Salsbury Industries to USPS-STD-4B+ Specifications
  • Ideal for apartments, condominiums, commercial buildings and residential developments
  • Made entirely of aluminum
  • Feature a durable powder coated finish available in aluminum, bronze and sandstone
  • Available in "A" size doors (6-1/2" W x 5-1/4" H) and larger "B" size doors (13" W x 5-1/4" H)
  • Units with standard "A" size doors are available in 3, 4 or 5 doors wide and 5, 6 or 7 doors high
  • Units with larger "B" size doors are available in 2 doors wide and 5, 6 or 7 doors high
  • Doors include a 5 pin cylinder cam lock (with 2 keys)
  • One mailbox opening is required for a master postal lock (installed by the U.S.P.S.) and cannot be used for mail distribution
  • Front loading door panel swings on a continuous hinge
  • Include factory installed 3/4" W x 1/4" D trim and a solid rear cover
  • Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936

Options

  • Custom engraved placards
  • Custom engraved doors - regular
  • Custom engraved doors - black filled
  • Replacement locks
  • Additional keys
  • Key blanks

Downloads

Videos

  • 4B+ Horizontal Mailbox Video
  • Installation Video – Tenant Door Replacement
  • Installation Video – Tenant Lock Replacement
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