Be Green Ink Eco Series compatible Canon ImageClass MF4420n Toneris the best option for your Canon ImageClass MF4420n printer because you can count on exceptional quality at an affordable price. Be Green Ink Eco Series compatible Canon ImageClass MF4420n Toner 128, CRG-128, 3500B001AA, 5pk saving bundle is made in an ISO 9001/14001 certified manufacturing facility and is tested prior to packaging to ensure that the print quality is the same as the original brand. Be confident knowing that when you purchase a BGI Eco Series compatible Canon ImageClass MF4420n Toner you are getting a very high quality compatible cartridge that will perform at the same level as an original cartridge, but at a fraction of the cost.