This is a compatible replacement for the Ricoh 405537 (GC 21CH) high-yield cyan ink cartridge. It delivers up to 2,300 pages, making it an efficient choice for your printing needs. The cartridge is equipped with a new chip that allows you to monitor your ink levels effectively. Backed by our 100% Quality Satisfaction Guarantee, this cartridge is designed to meet the original specifications and performance standards of Ricoh cartridges.