4x Refill Ink B/C/M/Y for HP Smart Tank Plus 550 Series 555 559
Fill capacity: 1 x 135ml black, 1 x 70ml cyan, 1 x 70ml magenta, 1 x 70ml yellow Colour: B/C/M/Y Printing capacity (at 5% coverage): approx. 6000 pages Dimensions (L x W x H): 18.5 x 13.6 x 5.