Canon PGI-72 R ink cartridge red for Pixma Pro 10

Manufacturer's advice:

Open the packaging shortly before using the cartridge. Remove the cap and insert the cartridge in the printer immediately - do not touch the electrical contacts of the cartridge!
For optimal printing results, store the box bottom down and use the entire ink within 6 months after opening.
With respect to opening and inserting the cartridge into the printer and for other precautionary measures, please refer to the instructions delivered with the printer. Keep out of the reach of children!