The New Genuine Brother LC41BK Black Ink Cartridges Twin Pack LC41BK is a high-quality ink product designed specifically for Brother printers. This multi-pack includes two black ink cartridges compatible with various Brother printer models such as MFC-420C, MFC-5440CN, and MFC-5840. With a print technology of inkjet, these cartridges ensure crisp and sharp black prints. The cartridges have an expiration date of 04/2010, making them fresh and reliable for producing professional-quality documents and images. Ideal for home or office use, this Brother ink product is a convenient and efficient choice for all your printing needs.