Combining two of our top-quality remanufactured Brother TN-3170 toner cartridges in a single package, this twin pack is for those who make regular use of their laser printer. These two recycled cartridges maintain the same great 7,000 page estimated yield of the original Brother TN3170 and remain compatible with all of the same printers too. As these remanufactured Brother TN-3170 toners have many pieces reused from the genuine cartridges within them, there is very little difference in print quality too!We offer a 100% satisfaction guarantee with both of the remanufactured Brother TN3170 toner cartridges contained within this set.