ND R@ 02 refillable cartridge for Photosmart printer C5180 C6180 C7180 C8180 C7280 Full Pre-filled Refillable HP 02 ink cartridges for HP Photosmart Series Refillable ink cartridges with unlimited easy refill and long-life microchips HP ink cartridges: HP 02 Black, HP 02 Cyan, HP 02 Magenta, HP 02 Yellow, HP 02 Light Cyan and HP 02 Light Magenta No drilling required: pre-drilled air holes already exist for easy filling This product is ONLY DISTRIBUTED by Ink Nova USA