Package Contents: SuperInk Remanufactured Replacement for OEM HP 21XL High Yield Black Ink Cartridge. (2 Pack Black)
Page Yield: Expected lifetime yield of 500 pages per black cartridge, cartridge yield in accordance with ISO/IEC 19752. (Based on 5% coverage)
Aim for Environmental Protection: All the cartridges are recycled from the high quality of used original ink cartridges, reducing the consumption of resources, Fade-resistant color provides brilliant performance and true-to-life images.