Architectural Mailboxes' 7540 Universal Mailbox Adapter can be used to attach any mailbox with a standard 4 inch by 10 inch mailbox floor-mount bolt pattern to a 4 x 4 wooden post.

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Architectural Mailboxes' 7540 Universal Mailbox Adapter can be used to attach any mailbox with a standard 4 inch by 10 inch mailbox floor-mount bolt pattern to a 4 x 4 wooden post.

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