Green Toner Supply&trade; Remanufactured Ink Cartridge Replacement for HP 23 (Color, 2-Pack) Green Toner Supply offers LIFETIME WARRANTY against manufacture defects Green Toner Supply offers 2 Years Money Back Guarantee on Manufacture Defects Print Yield: Up to 640 Pages at 5% Coverage Green Toner Supply Remanufactured Ink Cartridge Replacement for HP 23 works with the following machines: HP Color Copier 170, HP Color Copier 150, HP Color Copier 140, HP Color Copier 155, HP Color Copier 160, HP Color Copier 145, HP Color Copier 260, HP Color C Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory