ND R@ 8x1000ml Dye Ink for PIXMA PRO-100 Printer CLI-42 cartridge Lightfastness: 5-6 BWS; Waterfastness: 3 (Average); Gasfastness: 4 (Good) Temperature: -15C no frozen and 70C no gelling Stability:No settling in 2 years (at normal storage) Easy refilling! Big saving!