E-Z Ink (TM) Compatible Toner Cartridge Replacement For Brother TN336 TN336Y Yellow High Yield (1 Toner) Brand: E-Z ink Page Yield: 3,500 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