Main Category : 4C Series High Security Horizontal Mailboxes - USPS Approved / SUITE C -- SERIES 4C HIGH SECURITY HORIZONTAL MAILBOXES -- 51" HIGH 4C High Security Horizontal H4CCT2-16 16-Tenant Door Unit (Double Column) plus (2) Parcel Locker Doors, (1) 6-high and (1) 5-high, and (1) Outgoing Mail Compartment; Unit Size: 51"H x 31.5"W x 17"D Q 1 $1,215.00; +2 Call 4C High Security Horizontal H4CCT1-7 7-Tenant Door Unit (Single Column) plus (1) 6-High Parcel Locker and (1) Outgoing Mail Compartment; Unit Size: 51"H x 17"W x 17"D Q 1 $712.00; +2 Call 4C High Security Horizontal H4CCT10 3-Door Compartment Parcel Locker, 5-High (Single Column); Unit Size: 51"H x 17"W x 17"D Q 1 $631.00; +2 Call 4C High Security Horizontal H4CC6XL 6-X-Large Tenant Door Unit (Double Column) plus (2) Parcel Locker Doors, (1) 6-High and (1) 5-High and (1) Outgoing Mail Compartment Unit Size: 51"H x 31.5"W x 17"D Q 1 $1,230.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CC1SM Surface Mount Collar for 4C Suite C Mailbox (single column unit) Q 1 $345.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CC2SM Surface Mount Collar for 4C Suite C Mailbox (double column unit) Q 1 $425.00; +2 Call