This HP Inkjet cartridge 29 is unused. The box has been opened but the metal foil around the cartridge is intact. In the stores and on the net it sells for more than $30. The recycled ones are $16+. You can have this one for $15 delivered. On the box there are over 30 listed models that it fits, but if you have one you already know. It is also listed as HP 51629a. Please email me directly.