HP 13 Ink Cartridges is compatible with the following products:
HP Business Inkjet 1200dtwn Printer (C8156A) HP Business Inkjet 2800 Printer (C8174A) HP Business Inkjet 2800dt Printer (C8163A) HP Business Inkjet 2800dtn Printer (C8164A) HP Officejet Pro K850 Color Printer (C8177A) HP Officejet Pro K850dn Color Printer (C8178A)