Deter theft with the highest security mailbox on the market: the 4C Horizontal Mailbox, for when security is a must. This USPS approved mailbox system features four double-walled tenant doors. The outgoing mail slot features a sawtooth guard that prevents mail from being fished out, while a smaller Carrier Access Door features reduced pry points for increased overall strength.

Made from a high strength, stainless steel, these 4C Horizontal mailboxes were designed with highest regard for security and protection. The double-wall door design increases overall pull test capacity on each door to 1,500 lbs of pressure, while a flush surface design and concealed hinges make tampering with or prying open doors close to impossible! Let your tenants know that all their mail will be there for them with these durable mailbox units.