This continuous ink supply system is specially designed for Canon - PIXMA mg6320, mg7120 printers which is a 6-color ink system.
Compatible with Ink Cartridges:
PGI-250 Black ink cartridge
CLI-251 Photo Black ink cartridge,
CLI-251 Yellow cartridge,
CLI-251 Magenta ink cartridge,
CLI-251 Cyan ink cartridge,
CLI-251 Gray ink cartridge.
For the price of ONE set of cartridges you can purchase this system, which will save you hundreds of dollars on buying future cartridges.
This CISS comes with 18oz (500ml) of dye ink, about 50 cartridges. 3 oz (80ml) of each color