HI-VISION 2 Pack Compatible Brother TN850 TN-850 [8k HIGH YIELD] Toner Cartridge Replacement for HL-L6200DW, HL-L6200DWT, HL-L6250DW, HL-L6300DW, HL-L6400DW, HL-L6400DWT, MFC-L5700DW YIELD: Up to 8,000 Pages at 5% Coverage TYPE: Brand New Compatible | SHELF LIFE: 24-36 months at room temperature Made by ISO9001 Certified Factory to Meet OEM Standards 180 days money back & 1 year replacement against product defect INCLUDING Amazon Prime orders Easy installation, Saves you $$, Satisfaction guaranteed