Epson 212XL Black 212 Cyan Magenta Yellow Ink CartridgesCompatible Model: For Epson Expression Home XP 4100, For Epson Expression Home XP 4105, For Epson Workforce WF 2830, For Epson Workforce WF 2850 Regarding return: Return accept withine 30 days, we will give full refund if the box is never opened and exact same as what we sell. For any opened box return, we will charge 50% restock fee. We can't accept return for ink cartridge is open and used.