Main Category : Rotary Mailbox Enclosures - USPS Approved & For Private Use/Access Rotary Mailbox Enclosure - Free Standing H3100 Rotary Mailbox Enclosure - free standing. For aluminum style mailboxes. (For aluminum rack ladder mailboxes and data distribution boxes- order seperately.) Unit Size: 30" W x 74" H x 24" D (Mailboxes not included) Qty 1-2 $889.50; +3 Call style mailboxes. Q 1-2 $889.50; +3 Call (Mailboxes not included) Rotary Mailbox Enclosure - Free Standing H3150 Rotary Mailbox Enclosure - free standing. For brass style mailboxes. Unit Size: 30" W x 74" H x 24" D (Mailboxes not included) Qty 1-2 $889.50; +3 Call