Easily prevent limescale with the Scanpart Anti-Limescale Water Filter Screwable. Screw the filter into the machine and enjoy delicious coffee. On top of that, the filter extends the lifespan of the machine as limescale doesn't stand a chance of attaching itself to the heating elements. The package contains 1 treatment, with which the coffee machine is kept limescale free for 2 months. It is suitable for AEG, Bosch, Krups, Siemens, Gaggenau, Neff and Melitta machines.