When producing these compatible alternatives to the PGI-72C ink cartridge, our manufacturers have strived to maintain the print quality demanded of users of the high end Canon Pixma Pro-10 & Canon Pixma Pro-10S photo printers. As these speciality printers are known for giving some of the best result son the market, maintaining this fine tradition with the compatible Canon 6404B001 is essential.Each of the alternatives to the Canon PGI-72C ink cartridges found here is filled with a top quality compatible cyan ink that has been specially formulated to emulate the results produced by the genuine inks.