Main Category : 4C Series High Security Horizontal Mailboxes - USPS Approved / SUITE E -- SERIES 4C HIGH SECURITY HORIZONTAL MAILBOXES -- 28.5" HIGH 4C High Security Horizontal H4CET8-13 13 Tenant Door Unit (Double Column) plus (1) Outgoing Mail Compartment; Unit Size: 28.5"H x 31.5"W x 17"D Q 1 $940.00; +2 Call 4C High Security Horizontal H4CET2-9 9-Tenant Door Unit (Double Column) plus (1) 4-High Parcel Locker and (1) Outgoing Mail Door Unit Size: 28.5"H x 31.5"W x 17"D Q 1 $916.00; +2 Call 4C High Security Horizontal H4CET1-1 1-Tenant Door Unit (Single Column) plus (1) 4-High Parcel Locker Door and (1) Outgoing Mail Door; Unit Size: 28.5"H x 17.5"W x 17"D Q 1 $540.00; +2 Call 4C High Security Horizontal H4CET6-6 6 Tenant Door Unit (Single Column) plus (1) Outgoing Mail Compartment Unit Size: 28.5"H x 17.5"W x 17"D Q 1 $555.00; +2 Call 4C High Security Horizontal H4CE3XL 3- X-Large Tenant Door Unit (Single Column) plus (1) Outgoing Mail Compartment Unit Size: 28.5"H x 17.5"W x 17"D Q 1 $576.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CE1SM Surface Mount Collar for 4C Suite E Mailbox (single column unit) Q1 $273.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CE2SM Surface Mount Collar for 4C Suite E Mailbox (double column unit) Q 1 $338.00; +2 Call