When it comes to running a business, quality is something that should never be compromised, and consistency is key. The Brother Genuine TN437M Ultra High-Yield Magenta Toner Cartridge delivers dependable, professional results, as well as convenience and cost savings with an up to 8,000-page yield (Approximate toner cartridge yield in accordance with ISO/IEC 19798 [letter/A4]). This toner is engineered and optimized in conjunction with hardware design to maximize overall performance, print quality, consistency, and reliability to help meet business needs. Help safeguard your investment by using the TN437M with the Brother MFC-L8905CDW.