950XL Combo Black replacement for HP 950 and 951 Ink Cartridges Combo Pack to use with hp officejet pro 8600 ink cartridges, Page Yield: 2300 pages for per 950XL Black ink cartridge (at 5% coverage), 950xl ink cartridges for hp printers OfficeJet Pro 8100 / 8600 / 8610 / 8615 / 8620 / 8625 / 8630 / 8640 / 8660 / 251dw / 271dw / 276dw Inkjet Printer, for hp 8600 ink cartridges, for hp officejet pro 8610 ink cartridges, ackage Include: 2x 950XL Black, as replaqcement for hp 950, 950xl combo black ink cartridges provides our customers with smooth high printing quality