4 Chips for Epson 812XL for Epson Workforce Pro WF-7840 WF-7820 WF-7310

4 Chips for Refillable Ink Cartridges 812XL for Epson Workforce Pro WF-7840 WF-7820 WF-7310 printers

Chips snap on to the cartridges

Chips will work like the chips that came on the cartridges

Included in Package:

4- Chips 1 Black, 1 Cyan, 1 Magenta, 1 Yellow