Free printhead Cleaner: 5x30ml ND &trade; Brand Dinsink Premium Dye ink refill kit for HP 61 61XL and HP Deskjet 1000, 3000 series inkjet printers. The item with ND Logo! 5x30ml ND Brand premium water-based dye ink for HP 61 HP 61 XL ink cartridges Easy refilling! Big saving! Stability: No setting in 3 years (at normal storage) Temperature: -15C no frozen and 70C no gelling Lightfastness: 5-6 BWS; Waterfastness: 3 (Average); Gasfastness: 4 (Good).