YATUNINK Remanufactured Ink Cartridge Replacement for HP 970XL 971XL High Yield Ink Cartridges Compatible for OfficeJet Pro X451DW X451DN X551DW X476DN X476DW X576DW Printer(4Pack) Packing List: 1 x 970XL Black + 1 x 971XL Cyan + 1 x 971XL Magenta + 1 x 971XL Yellow. Tpye: Remanufactured 970XL 971XL Ink Cartridge (Not made by HP, but 100% Money-back guarantee, Shows Accurate Ink Level, New Generation Chip ). Page Yield: 9000 pages for Black & 6500 Pages for Color at 5% Coverage. Compatible with: OfficeJet Pro X476dn MFP, OfficeJet Pro X476dw MFP, OfficeJet Pro X576dn MFP, OfficeJet Pro X576dw MFP, OfficeJet Pro X451dn, OfficeJet Pro X451dw, OfficeJet Pro X551dw. We Promise: All products covered by a 100% satisfaction guarantee and 90 days warranty. If you have any question, please contact us directly, we will provide high quality after-sales service, to ensure the customer's shopping experience.