Made of heavy duty aluminum and stainless steel hardware, Salsbury 3700 series U.S.P.S. approved 4C custom horizontal mailboxes and fully integrated parcel lockers are available as front loading or rear loading units and are designed for indoor or outdoor use. The unit incorporates a solid closed back. Units are available in a standard powder coated finish. Salsbury 3700 series 4C horizontal mailboxes and parcel lockers meet the specifications of USPS-STD-4C. The 4C horizontal mailboxes are required for new construction effective October 2006.
- 4C horizontal mailboxes are U.S.P.S. approved
- Manufactured by Salsbury Industries to USPS-STD-4C specifications
- Required for new construction and major remodels
- Constructed of heavy duty aluminum and stainless steel hardware
- Feature a durable powder coated finish
- Ideal for apartments, commercial buildings and residential developments