Supply Spot Remanufactured Ink Cartridge Replacement for HP 8PK (Black,Cyan,Magenta,Yellow , 4-Pack) For use in: Deskjet 3070a, 3520 eAIO, 3521, 3522, 3526 OfficeJet 4620, 4622 Photosmart 5515, 5520, 5522, 5524, 5525, 6510, 6512, 6515, 6520, 6525, 7510, 7515, 7520, 7525, B209a, B210a, B210b, B210c, B210e, B8500, B8550, B8553, B8558, Page Yield: Black *550 | Colors *850 Shelf Life: 12-18 Months | Page Yield: Black *550 | Colors *850 Set Includes: 2x CN684WN (Black) 2x CB323WN (Cyan) 2x CB324WN (Yellow) 2x CB325WN (Magenta) The use of aftermarket replacement cartridges and supplies does not void your printer's warranty