Canon PFI-3700 Ink Tanks are compatible with the Canon GP2600s GP-4600s GP-6600s PRO-2600 PRO-4600 PRO-6600

Canon PFI-3700B Blue 700ml Ink Tank 6450C001AA

Canon PFI-3700CO Chroma Optimizer 700ml Ink Tank 6454C001AA

Canon PFI-3700C Cyan 700ml Ink Tank 6445C001AA

Canon PFI-3700GY Grey 700ml Ink Tank 6448C001AA

Canon PFI-3700M Magenta 700ml Ink Tank 6446C001AA

Canon PFI-3700BK Photo Black 700ml Ink Tank 6444C001AA

Canon PFI-3700PC Photo Cyan 700ml Ink Tank 6451C001AA

Canon PFI-3700PGY Photo Grey 700ml Ink Tank 6453C001AA

Canon PFI-3700PM Photo Magenta 700ml Ink Tank 6452C001AA

Canon PFI-3700R Red 700ml Ink Tank 6449C001AA

Canon PFI-3700Y Yellow 700ml Ink Tank 6447C001AA

For Matte Black and Orange - please order PFI-2700 inks

Canon's genuine LUCIA ink - Always choose genuine Canon LUCIA inks instead of any non-Canon inks. Never make any compromises on quality of prints.