- By preventing limescale, it prolongs the life of your iron
- By filtering salts, it improves steam quality
- Anti-corrosive, it also prevents damage to boiler components
- The limescale filter cartridge should be replaced when anti-scale granules turn completely brown
- For use with models: Laurastar SMART 1980, SMART U, and SMART I
- Can be used with S series models with purchase of a holder for SMART anti-scale cartridges