This is a compatible Brother LC51M inkjet cartridge guaranteed to perform with Brother inkjet printers. It replaces the genuine (OEM) Brother LC51M ink cartridge. This inkjet cartridge is made with top quality ink to give you the highest quality printouts every time. This compatible Brother LC51M inkjet cartridge is specially engineered to meet or exceed the highest standards of quality, reliability and page yields. Although this cartridge is not made or endorsed by Brother, it offers customers an economical alternative to expensive OEM Brother LC51M cartridges and comes with our satisfaction guarantee.