Specifications︰ Suitable for cartridge models:
PGI150/CLI151, Pixma IP7210MG5410/MX721/MX921/MG6310
PGI250/CLI251, Pixma IP7220MG5420/MX722/MX922/MG6320
PGI350/CLI351, Pixma IP7230/MG5430/MX723/MX923/MG6330
PGI450/CLI451, Pixma IP7240/MG5440/MX724/MX924/MG6340
PGI550/CLI551, Pixma IP7250/MG5450/MX725/MX925/MG6350
PGI650/CLI651, Pixma IP7260/MG5460/MX726/MX926/MG6360
PGI750/CLI751, Pixma IP7270/MG5470/MX727/MX927/MG6370
PGI850/CLI851, Pixma IP7280/MG5480/MX728/MX928/MG6

Advantages︰ 1) one time resettable chip
2) well tested before shipping
3) 1:1 replacement for defective chips
4) other related products avaliable including CISS, refill cartirdges