Extends the life of almost all edding permanent markers; without the addition of xylene and toluene. The life of almost all edding markers can be easily extended by simply refilling them as soon as they run out. They'll be as good as new in no time at all.. Refilling the markers not only has a positive impact on the environment, but also saves money at the same time. Suitable for the edding permanent markers e-No.1, e-400, e-500, e-550, e-800, e-850, e-3000, e-3300 and EcoLine e-21, e-22 and e-25. High-quality brand product, Made in Germany.