Refill Ink Kit: 4x4oz Nanorefill ink+4 Syringe for HP 920 920XL cartridge OfficeJet 6000 6500 7000 Printer Water-based photo dye inkjet inks Smell: Normal odor Stability: No settling in 3years (at normal storage) Temperature: -15C no frozen, 70C no gelling High Quality! Best Service!