HOTCOLOR 4 Pack Remanufactured Ink Cartridges Replacement for HP 970XL HP 971XL (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) for HP Officejet Pro X451dn, X451dw, X476dn, X476dw, X551dw, X576dw 1. What's in the box: 970 Black & 971 Cyan Magenta Yellow High Yield Ink Cartridge (4-Pack) 2. 970XL 971XL Ink Cartridges work with:HP 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 Printer 3. Page Yield: 970XL Black CN625AM Up to 9200 pages; 971XL Cyan Magenta Yellow Up to 6600 pages Per Ink Cartridge.(at 5% coverage) 4. Type: Work as HP 970XL CN625AM#140 HP 971XL CN626AM#140 CN627AM#140 CN628AM#140 Original Ink Cartridge ; Remanufactured by HOTCOLOR (ISO 9001 certified facility);Not made by HP. 5. Guarantee: 120 days quality warranty.If there is any problem,DO NOT hesitate to contact us.