You get outstanding, attention grabbing greys with the CLI-521 GY full capacity compatible ink cartridge. It creates professional colours that will get your presentations noticed and confident with your work. The grey CLI-521 GY ink cartridge is highly compatible with the Canon IP 3600 Canon MP 620 Canon MP 980 and Canon MP 990 so it's easy to get your ink working with your printers. You can use it for school work, home use, and your business outputs creating quality every single time. You are guaranteed that high yield ink is used and filled to its 11.5ml maximum. Every ink cartridge is at its lowest price and has been engineered with state of the art processes to produce results like its original.