Ink Choice 2 Pack 940 Print Head Replacement for Hp940 Printhead C4900a,c4901a Hp Officejet Pro 8000, 8500, 8500a 8500a Plus, 8500a Premium Ink Choice 2 pack Refurbished HP 940 Printhead Color : 1 Black/Yellow, 1 Cyan/Magenta compatible for HP officejet pro 8000. 8500, 8500A,8500A plus, 8500A premium Good quality and fast shipping. We stand behind every product we sell and offer a 100% satisfaction guarantee . Defective product can be exchanged or refund within 90 days.