PLA930S package includes: two cationic resin filter for water tank for 70L. Inserted inside the water tank of Lelit espresso machines, they filter the circulating water: they trap calcium and magnesium salts that would form limescale incrustations and release sodium salts. A water rich in sodium not only brings health benefits, but also enhances the taste of the chosen mixture that would otherwise be compromised. Autonomy of use chemically tested: up to 70L of water per filter, after this amount of water is highly recommended the insertion of a new softening filter. Installation instructions are included in the package. The basis for a good espresso are blend and water: with cationic resin filter for water tank for 70L you only have to worry about finding the ideal blend for your taste. Compatible with all Lelit espresso machines.