Laurastar Anti-Scale Granules Refills, Pack of 3Laurastar Anti Scale Granules Refills, Pack of 3 Box contains 3 refill bags for the water used in your iron Demineralization granules filter damaging minerals from tap water Prolongs the life of your iron Improves steam quality by filtering salts Prevents limescale and corrosion Replace when granules turn brown Dim: 4. 5 x 2. 5 x 7. 5 in. Made in Switzerland Suitable for the following: Laurastar Pulse Laurastar S7 Laurastar S6 Laurastar S5 Laurastar