JetSir 970XL & 971XL Four Pack Black & Color Ink Cartridges (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) Remanufactured Replacement for HP 970 XL & HP971 XL Cartridges for HP OfficeJet Pro X451DW X451DN X551DW X476DN X476DW X576DW