Green Toner Supply&trade; Compatible Toner Cartridge Replacement for Brother TN350 (Black, 3-Pack) Green Toner Supply offers LIFETIME WARRANTY against manufacture defects Green Toner Supply offers 2 Years Money Back Guarantee on Manufacture Defects Print Yield: Up to 2,500 Pages at a 5% Coverage Green Toner Supply Compatible Toner Cartridge Replacement for Brother TN350 works with the following printers: DCP-7020, HL-2040, HL-2070N, IntelliFax-2820, IntelliFax-2910, IntelliFax-2920, MFC-7220, MFC-7225N, MFC-7420, MFC-7820N Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory