HOTCOLOR 4PK 970 Black 971XL Cyan Magenta Yellow High Yield Replacement for HP 970XL HP 971XL Ink Cartridge for Officejet Pro X476dw X576dw X476dn X451dw X551dw X451dn Printer 1. What's in the box: 4 Pack ( Black Cyan Magenta Yellow ) Remanufactured Ink Cartridge for HP 970XL HP 971XL HP 970 HP 971 2. 970XL 971XL ink Cartridges work with: HP Officejet Pro X476dw X576dw X476dn X451dw X551dw X451dn 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.