4C Series High Security Wall-Mount Horizontal Mailboxes
Manufactured to New Postal Regulations

If Front Loading: Units include one or two master door(s) that swings on continuous integral hinges. The 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.

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

National Mailboxes High Security Horizontal Mailboxes

• Required for New Construction and Major Renovation Effective October 2006
• Meets USPS-STD-4C Specifications
• Fully Integrated or Stand-Alone Parcel Lockers
• Single and Double Column Units
• Indoor and Outdoor Use
• Outgoing Mail Receptacles
• Front and Rear Loading Units
• Standard tenant door size: 3.25"H x 12"W
  

Standard Features for 4C High Security Horizontal Mailboxes:

• Standard Colors: Silver Speck and Postal Grey. Other colors available at no extra charge include: blonde gold, bright gold, black, dark bronze, white, forest green, and sandstone.
• USPS Approved and Postal Certified (Manufactured to the new postal regulation.)
• All 4C Units are recessed and in-wall mount style.
• Durable, corrosion resistant weatherproof powder coat finish resists scratching and vandalism.
• Manufactured & constructed of heavy gauge aluminum and 300 series stainless steel components for superior strength, corrosion resistance and superior outdoor durability.
• Master postal loading doors are designed with interlocking overlap seams to prevent prying, and breaking in.
• Quick release master postal loading door lock latch for easy access by Postal carriers.
• Solid aluminum mail slot frame similar to High Security CBU design which protects adjacent customer compartments and collection compartment.
• Special double-locking parcel locking mechanism for additional mail package security.
• New USPS-1172 910A 5-pin cylinder cam lock with 3 keys per door.
• Front and rear loading units are available.
• Number decals up to three digits or engraved identification up to six characters are available at no extra charge.
• National Mailboxes multi-unit connector kit hardware included with every 4C mailbox unit for convenience and easy installation.