Get superb, reliable prints every time with the HP 44A LaserJet Black Toner Cartridge.Offering up to 1000 pages from a single cartridge, you'll get great value for money, and won't have to worry about replacing for longer. Installing it is also super speedy, and when you do need to replace the cartridge is completely recyclable, so you can also keep your impact on the environment to a minimum.Compatible printers:- HP LaserJet Pro M15 series- HP LaserJet Pro MFP M28 series