This set includes four compatible Canon 1372A006AA (NPG1) black laser toner cartridges, each designed to deliver up to 15,200 pages. These cartridges are guaranteed to perform with Canon laser printers and serve as a direct replacement for the original Canon F41-5902-704 toner cartridge. Manufactured with new components, they provide a cost-effective alternative to expensive OEM cartridges while ensuring high-quality printing results. The use of compatible cartridges does not void your printer warranty, and we back this product with a 100% Quality Satisfaction Guarantee.