Features:
- USPS STD-4C compliant mailbox systems are mandatory on all NEW CONSTRUCTION and MAJOR RENOVATIONS as of October 5, 2006
- Comes equipped with one 18"H Parcel Locker
- Available in a variety of powdercoat color options
- Please Note: Blonde Gold & Bright Gold paints are intended for indoor installations only
- Silver Speck, Blonde Gold, Bright Gold, and Postal Grey all have a flat powder coat finish
- Dark Bronze, Black, Sandstone, White, and Forest Green all have a pebble powder coat finish
- Easy Installation
- Corrosion resistant weatherproof powdercoat finish resists scratching and vandalism
- Heavy gauge aluminum construction and 300 series stainless steel components for superior strength and outdoor durability
- Master loading doors designed with interlocking overlap seams to prevent prying
- Quick release master loading door lock latch for easy access by Postal carriers
- Solid aluminum mail slot frame design
- Unique double-locking parcel locking mechanism design
- New USPS-1172 910A lock with three (3) keys
- Model design provides flexibility for laying out multi-unit mailbox configurations
Dimensions & Specifications:
- Rough Opening Height: 20 9/16"
- Actual Height: 21 1/2"
- Rough Opening Width: 16 1/4"
- Actual Width: 17.5"
- Rough Opening Depth: 17" Minimum
4CDT10 Dimensions
4C USPS Installation Manual
4C USPS Specs & Standards

Product Applications Include:
Residential, Multi-Family, Centralized, Industrial, High Security, Non-Postal Dorms, Office Mail Room, Parcel Delivery, Private Postal Centers, Government Agencies, Colleges/Universities, K-12 Schools, Financial Institutions, Military Bases, Medical Facilities
Auth-Florence Warranty Information
Auth-Florence provides a five year warranty, from the date of shipment, covering defects in material and workmanship of all equipment. This warranty guarantees factory replacement and/or repair of all defective items. This warranty does not cover improper installations, misuse, or minor repairs by the customer and user. We make no other warranties of any kind, either expressed or implied.