Superb Choice Remanufactured Ink Cartridge Replacement for Lexmark X6570 X6575 X7550 X7675(Black+Tri-Color) Pack of 1 Black & 1 Color Ink Cartridges 1 year replacement warranty,30-day refund guarantee after the purchase. Replacement for Original Model: Lexmark 43XL & 44XL (18Y0143E/18Y0144E). Compatible Printer: Lexmark P350 Z1520 X4850 X4875 X4950 X4975 X6570 X6575 X7550 X7675 X9350 X9570 X9575 X9650 X9675.