E-Z Ink (TM) Compatible Toner Cartridge Replacement For Brother TN331BK TN331C TN331M TN331Y (1 Black, 1 Cyan, 1 Magenta, 1 Yellow) 4 Pack Brand: E-Z ink Page Yield: Black is 2,500 per toner cartridge. Color is 1,500 pager per toner cartridge All toner cartridges are manufactured in an ISO 9001 certified facility. All toner cartridges are engineered to produce superb results. All products covered by a 100% satisfaction guarantee and 1 year warranty Compatible With MFC-L8600CDW, MFC-L8850CDW, HL-L8250CDN, HL-L8350CDW, HL-L8350CDWT Laser Printer