Sherman Inks and Toner Cartridges &reg; 3 Pack Compatible PGI-250, CLI-251 3 Gray Ink Cartridge Replacement for Inkjet Printers: PIXMA MG5420, PIXMA MG5450, PIXMA MG5520, PIXMA MG6320, PIXMA MG6350, PIXMA MG6420, PIXMA MG7120, PIXMA MX722, PIXMA MX922, PIXMA MX925, PIXMA iP7220, PIXMA iP7250, PIXMA iP8720 Printer Grey 3 Gray For Canon Printers: PIXMA MG5420, PIXMA MG5450, PIXMA MG5520, PIXMA MG6320, PIXMA MG6350, PIXMA MG6420, PIXMA MG7120, PIXMA MX722, PIXMA MX922, PIXMA MX925, PIXMA iP7220, PIXMA iP7250, PIXMA iP8720 3 Years Warranty Sherman Inks and Toner Cartridges Sherman Inks and Toner Cartridges 3 years shelf life with 100% guarantee.