Our manufacturers have worked hard to produce this compatible version of the Canon PFI-706BK and we are proud to be able to offer you this cost saving unit.This alternative to the incredibly high capacity Canon 6681B001AA contains 700ml of compatible black ink. Whilst the ink within our compatible version of the Canon PFI-706BK differs in composition to the Lucia ink in the original, this cartridge still offers a quality of print that you can be proud of.We fully guarantee the compatible Canon 6681B001AA black cartridge with our 100% satisfaction guarantee, making the purchase of this large ink risk free.