Karl Aiken Remanufactured Ink Cartridge Replacement For Hewlett Packard HP 950XL 951XL (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) (4 Pack) Compatible with HP Officejet PRO 8600 8610 8620 8630 8640 8660 8615 8625 251dw 271dw