This Genuine HP 21 Black Ink Cartridges Twin Pack (C9508FN) is compatible with HP Deskjet 3910, 3920, 3930, 3940, D1311, D1320, D1330, D1341, and D1360 printers. The ink cartridges are genuine and original, and they come in the manufacturer color of black.

The expiration date of the cartridges is 04/2014, but they are still in their sealed packaging and have not been opened. This twin pack does not come with a manufacturer warranty, and it is not a custom bundle. This ink cartridges twin pack is perfect for those who are looking for genuine and original ink cartridges for their HP printers.