The MYTONER TN-770 2PCS Super High Yield Black Toner Cartridge is specifically designed to fit Brother printers, including models such as L2750DW, L2750DWXL, HL-L2370DW, HL-L2370DW XL, MFC-L2750DW, MFC-L2750D, L2370DWXL, and L2370DW. With a high-yield print technology and laser print technology, this toner cartridge ensures crisp and professional-quality black prints. Manufactured in China by the trusted brand mytoner, this product is a reliable and cost-effective choice for printing needs. This is an open box item one of the total cartridges is still wrapped in the original plastic. The other toner cartridge appears to be brand new and still has the safety cover on it, but it is not in the plastic cellophane.OR1