Original HP 303 cartridges, Pack of 2, compatible with injection printers HP tango and tango x: envy 6220,6230,7130,7830 optimal for printing photographs with laboratory quality and office documents with uniform results: the average performance of the cartridge is 200 pages in black and 165 pages in color designed in harmony with the environment: HP thinks on the planet by committing to sustainable solutions, recycling and waste removal programs