Main Category : 4C Series High Security Horizontal Mailboxes - USPS Approved / SUITE A -- SERIES 4C HIGH SECURITY HORIZONTAL MAILBOXES — 39" HIGH 4C High Security Horizontal H4CAT8-19 19-Tenant Door Unit (Double Column) plus (1) Outgoing Mail Compartment; Unit Size: 39"H x 31.5"W x 17"D Q 1 $1136.00; +2 Call 4C High Security Horizontal H4CAT2-15 15-Tenant Door Unit (Double Column) plus (1) 5-High Parcel Locker and (1) Outgoing Mail Compartment; Unit Size 39"H x 31.5"W x 17"D. Q 1 $1,188.00; +2 Call 4C High Security Horizontal H4CAT1-4 4-Tenant Door Unit (Single Column) plus (1) 5-High Parcel Locker and (1) Outgoing Mail Compartment; Unit Size 39"H x 17"W x 17"D Q 1 $604.00; +2 Calll 4C High Security Horizontal H4CAT6-9 9-Tenant Door Unit (Single Column) plus (1) Outgoing Mail Compartment; Unit Size: 39"H x 17"W x 17"D Q 1 $630.00; +2 Call 4C High Security Horizontal H4CAT10 2-Door Compartment Parcel Locker, for Suite A 4C High Security Mailboxes; 6-High (Single Column); Unit Size 39"H x 17"W x 17"D Q 1 $568.00; +2 Call 4C High Security Horizontal H4CA3XL 3-X-Large Tenant Door Unit (Single Column) plus (1) Outgoing Mail Compartment; Unit Size 39"H x 17"W x 17"D Q 1 $639.00; +2 Call 4C High Security Horizontal Surface Mount Collar H4CA1SM Surface Mount Collar for 4C Suite A Mailbox (single column unit) Q 1 $309.00 ; +2 Call 4C High Security Horizontal Surface Mount Collar H4CA2SM Surface Mount Collar for 4C Suite A Mailbox (double column unit) Q 1 $380.00 ; +2 Call