ESTON 1 Pack 940 Printhead Black/Yellow C4900A For Officejet Pro 8000 8500 8500 A printers Package includes: 1 x Black/Yellow C4900A Printhead Printhead delivers professional-quality color documents. Compatible for officejet pro 8000. 8500, 8500A,8500A plus, 8500A premium GUARANTEED : If for any reason you are not satisfied with our products, you can return or exchange within 2 weeks of receiving shipment. Your purchase is covered by a 1 year replacement warranty if the product doesn't work well.