Main Category : 4C Series High Security Horizontal Mailboxes - USPS Approved / SUITE F -- SERIES 4C HIGH SECURITY HORIZONTAL MAILBOXES -- 56.5" HIGH 4C High Security Horizontal H4CFT2-20 20-Tenant Door Unit (Double Column) plus (2) 4-High Parcel Locker Doors and (1) Outgoing Mail Door; Unit Size: 56.5"H x 31.5"W x 17"D Q 1 $1,327.00; +2 Call 4C High Security Horizontal H4CFT1-9 9-Tenant Door Unit (Single Column) plus (1) 4-High Parcel Locker Door and (1) Outgoing Mail Door; Unit Size: 56.5"H x 17.5"W x 17"D Q 1 $743.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CF1SM Surface Mount Collar for 4C Suite F Mailbox (single column unit) Q 1 $358.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CF2SM Surface Mount Collar for 4C Suite F Mailbox (double column unit) Q 1 $450.00; +2 Call