HOTCOLOR 670 High Yield 670 XL 670XL Ink Cartridge for HP Deskjet Ink Advantage 3525 4615 4620 4625 5525 6526 Printer 12Pack 3X(BK.C.M.Y) 1. What's in the box: 12Pack 670XL ( Black Cyan Magenta Yellow )x3 Remanufactured Ink Cartridge for HP 670 670XL 2. 670XL Ink Cartridges work with: HP Deskjet Advantage 3525 e-AIO, 4615 e-AIO, 4625 e-AIO, 5525 e-AIO, 6525 e-AIO Printer 3. Page Yield: 940 XL Black Up to 2200 pages; 940 XL Cyan Magenta Yellow Up to 1400 pages Per Ink Cartridge.(at 5% coverage) 4. Type: Work as HP 670XL Black/Cyan/Magenta/Yellow Ink Cartridge (CZ117AL CZ118AL CZ119AL CZ120AL); 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.