Solution #5X belongs to the new generation of recovery fluids. It's eco-friendly and biodegradable, with very little smell. At the same time, its cleaning capabilities are incredible. Thanks to fluids 5X and 6X, our average recovery rate of solvent-based print heads is 95%! This means you can clean practically any print head from the worst of clogs. It works with all popular print heads: Spectra, Xaar, Konica-Minolta, Hitachi, Seiko, etc.