LxTek Remanufactured Ink Cartridge Replacement For Lexmark 43XL & 44XL (2 Black | 2 Color) 18Y0143 18Y0144 High Yield These LxTek 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: 4 Pack of LxTek Remanufactured Lexmark 43XL and 44XL ink cartridges - 2 Black |2 Color Compatible Printers: Lexmark X4850 Lexmark X4875 Lexmark X4950 Lexmark X4975 Lexmark X6570 Lexmark X6575 Lexmark X7550 Lexmark X7675 Lexmark X9350 Lexmark X9570 Lexmark X9575 Lexmark X9650 Lexmark X9675 Lexmark Z1520 Page Yield : 500 Pages per Black (pigment based) and 500 Pages per Color (dye based ink) Cartridge at 5% coverage Warranty: All products come with a 1-year limited warranty / Shelf Life: All products have a shelf life of 18-24 months