Postal Products Unlimited, Inc.

Guardian Standard Series Mailboxes


The standard rear-loading Guardian system is a secure, economical alternative to standard aluminum mailboxes. Each door comes with a new bent cam for added security, preventing the doors from being pried open. The secure mailbox housing is constructed of 24-gauge durable galvanneal steel.

This high-security Guardian system is designed to be stacked, mounted side by side, or between standard wall studs. All units have identical outside dimensions, allowing you to mix & match different door sizes. These lockable Guardian mailbox units are ideal for use in universities, military installations, and anyplace needing a private mail system.
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