Gigablock Continuous Ink System (CIS) for: Epson Artisan 730 and 837 All-in-One Printer (Related Cartridge #: T0981, T0992, T0993, T0994, T0995, T0996) Related Printer: Epson Artisan 730 and 837 Cartridge Number: T0981 T0992 T0993 T0994 T0995 T0996 Pre-filled with 125 ml x 2 colors and 100ml x 4 colors = 650 ml of premium UV Resistant dye based Ink Permanent Chip 80% Saving on individual Inkjet Cartridge.