LauraStar - Lift Series Anti-Scale Water Filter Cartridges 3 PackLaurastar's anti scale cartridge filters the tap water in your Lift and IZZI Plus models. ANTI SCALE: it extends the lifespan of your iron or hygienic steamer ANTI SALT: it preserves the sanitizing and disinfecting qualities of Laurastar Dry MicroFine Steam ANIT CORROSIVE: it also prevents damage to boiler components The anti scale cartridge should be replaced when the red filter light flashes For use with models: Laurastar Lift Xtra, Lift Plus, Lift,