The 4 Brother LC101BK Black Ink Cartridges are genuine replacements with a page yield of over 300 pages. These original cartridges are designed for use with Brother printers such as the MFC-J245 and DCP-J152W. With an expiration date of 07/2026, these cartridges ensure high-quality printing performance and long-lasting reliability. Perfect for those looking to maintain the functionality of their Brother printer, these black ink cartridges provide consistent and professional results with every print.