Gigablock HP 02 CIS ink system for Photosmart C5180 C6150 C6180 C6240 C6250 6280 C7150 C7180 C7250 C7280 C8180 D7145 D7155 D7160 D7260 D7360 D7460 PSC7280 Inks made in USA Fits any HP printer using HP 02 inks Highest rating UV resistant inks on market 12-15 times more ink volume than OEM cartridges 1 year warranty