This is a compatible Canon CLI-551XL grey ink cartridge which has been designed to work perfectly with your Canon Pixma printer. Each cartridge is updated with the latest chips and guaranteed to work in your printer. The compatible Canon CLI-551XL grey is a high capacity ink cartridge and contains 11ml of premium high quality ink. Printing approx. 275 pages @ 5% average coverage. Quick and easy to install, all compatible 6447B001 ink cartridges are ready to go out the packet for convenience. iP8700, iP8750, MG5600, MG6350, MG7150, MG7500, MG7550