FP PostBase Compatible High Capacity Fluorescent Red Ink Cartridge Set, Approximately 22,000 Imprints for ALL FP PIC20, 30, 45, 65 & 85 Postal Machines High-capacity ink cartridge set for PostBase Mailing System Provides up to 22,000 impressions Compatible with all PostBase 20 / 30 / 45 / 65 / 85 models