The remanufactured Brother TN6600 has been one of our most popular black toner cartridges for a while, so offering two together and passing on a saving to our customers was an easy choice for us. When you purchase this remanufactured Brother TN6600 multi-pack you are getting a pair of top-quality toner cartridges that we have carefully sourced from some of the best manufacturers available.Each remanufactured Brother TN6600 offers an estimated 6,000 prints, meaning you can get an incredibly low cost per page by buying the laser toner cartridges in this way. The compatible black toner powder contained within both of these alternatives to the original Brother TN6600 fuses at the same temperatures produced by your machine, allowing it to continue printing effortlessly.