Green Toner Supply&trade; Remanufactured Ink Cartridge Replacement for Dell Series 11 (1 Black, 1 Color, 2-Pack) Green Toner Supply offers LIFETIME WARRANTY against manufacture defects Green Toner Supply offers 2 Years Money Back Guarantee on Manufacture Defects Black Print Yield: Up to 472 Pages at 5% Coverage; Color Print Yield: Up to 420 Pages at 5% Coverage Green Toner Supply Remanufactured Ink Cartridge Replacement for Dell 11 works with the following machines: 948 All-In-One Printer, V505 All-In-One Printer, V505W All-In-One Printer Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory