2 X GENUINE CARTRIDGES HP 901XL BLACK + 901 COLOUR J4524 J4535 J4660 J4680 G510A
J4524, J4535, J4580, J4624, J4850, J4660, J4680, G510A, G510G, G510N. HP Officejet. uaranteed to be 100% print perfect or your money back in full. if it was one supplied by us and is tested to be faulty we will replace it.