The Canon CLI-451GY is a grey dye-based ink cartridge designed for high-quality printing within the Canon PIXMA series. Available as a 1 pack, this standard capacity cartridge contains 7ml of ink and provides a yield of approximately 780 pages, making it a reliable choice for those who frequently print detailed documents or images. This Japanese-made cartridge is compatible with several printer models, including the iP8740 and MG6340, as well as the MG7140 and MG7540. When you use this ink on Canon photo paper, it leverages the ChromaLife100+ system to help preserve your prints against fading over time, which is particularly useful for archiving family photos or professional portfolios.