2 High Yield Compatible Toner Cartridges With Up To Date Chips for Brother TN770 Page Yield: 4,500 Pages per Cartridge @ 5% Standard coverage Rate on A4 Page Size. Manufactured with the highest quality and standards by ISO, CE, & REACH manufacturer for best printing performance matching the standards of OEM. for Brother HL-L2370DW HL-L2370DW XL MFC-L2750DW MFC-L2750DW Printers PRINTOXE® Brand 100% Compatible in Retail Package Shown in Image. Shelf Life exceeds 36 Months.