Karl Aiken 2PK Reman HP Officejet Pro 8000 8500 Hp 940 print head C4900A,C4901A For HP officejet pro 8000, 8500, 8500A 8500A plus, 8500A premium Note: Usually need 5- 13 days to deliver. Needn't wait for a month Packing list: BK/Y printhead-1pcs, M/C printhead-1pcs Compatible for HP officejet pro 8000. 8500, 8500A,8500A plus, 8500A premium All products covered by a 100% satisfaction guarantee and 90 days warranty HP officejet Pro: A909a. A910a, A909g, A909n