This is a compatible replacement for the Canon 6452B001 (CLI-251XL) high-yield gray ink cartridge. It delivers a page yield of up to 3,350 pages, making it an economical choice for your printing needs. The cartridge features a brand new chip that allows you to monitor your ink levels accurately. Backed by our 100% Quality Satisfaction Guarantee, this cartridge is designed to provide reliable performance in your Canon printers.