• Effective limescale protection: reliably filters limescale and other impurities from water, thus protecting your automatic coffee machine. • Better coffee flavor: improves water quality for a fuller and more aromatic coffee experience. • Easy to use: the filter cartridges are designed for simple installation and replacement. • Original Melitta quality: manufactured to ensure optimal fit and reliable performance in Melitta automatic coffee machines. • Set of 3 units: ideal for periodic maintenance and storage of spare parts.