LxTek Compatible Toner Cartridge Replacement for HP 83X (3 Black) High Yield These Leak remanufactured ink cartridges contain high quality ink that has been formulated for optimum performance. All cartridges have been tested to ensure a hassle free printing experience. Package Contents: 2 Pack of Leak Remanufactured HP 901XL ink cartridges - 2 Black Compatible Printers: Office jet 4500 G510a Office jet 4500 G510g Office jet 4500 G510n Office jet J4500 Office jet J4524 Office jet J4540 Office jet J4550 Office jet J4580 Office jet J4624 Office jet J4640 Office jet J4660 Office jet J4680 Office jet J4680c Printer Page Yield : 700 Pages per Black (pigment ink) Cartridge at 5% coverage : All products come with a 1-year limited / Shelf Life: All products have a shelf life of 18-24 months