4-pack cartridges compatible with HP 950XL 951XL 1x BK, C, M, Y with level indicator for HP OfficeJet Pro 8610, Pro 8615, Pro 8620, Pro 8630, Pro 8640, Pro 8660, Pro 8625, Pro 251DW, Pro 276DW, HP OfficeJet Pro 8100 ePrinter, Pro 8600, Pro 8600 Plus, Pro 8600 Premium e-All-in-One (Electronics)
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