This set of two black ink cartridges is specifically designed for HP OfficeJet 8600, 8100, 8610, 8620, 8630, 8640, 8660, 8615, 8625 printers. The cartridges are compatible with Office Pro 8600 Premium e-All-in-One Printer-N911 and Officejet Pro 276dw Multifunction Printer models. B20
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