This is not a refilled Hewlett Packard CF331A toner cartridge, this is a remanufactured toner cartridge that contains both cleaned reusable components from a HP original cartridge and brand new compatible components when necessary. The result is an eco-friendly product that is also gentler on your pocket.Our remanufactured HP 654A laser toner cartridge has enough high quality compatible cyan toner powder in it produce the same 15,000 A4 prints at an average 5% page coverage. Recycled by one of the select remanufacturers we have chosen to work with, this Hewlett Packard CF331A is the only cyan laser toner cartridge available for your printer. This remanufactured HP 654A toner cartridge is fully compatible with a select few printers including the HP Colour LaserJet Enterprise M651dn. A full list can be found in the compatibility section of this listing.