ND Brand Dinsink 4X4OZ ink refill kit for Lexmark 100A ink cartridge and Lexmark S405 S505 S605 printers + 30ml print head cleaner 4x4oz ND Brand water-based premium dye ink.30ml Printhead cleaner (FREE!!) ** lexmark 100 cartridge can't to refill. they are return program. You need have a set 100A cartridga to refill. Easy refill, vivid printing result! Stability:No settling in 3 years (at normal storage) Temperature: -15C no frozen and 70C no gelling