Water is a crucial ingredient of every espresso - so for optimum taste, it's always best to filter it professionally. That's why all Saeco espresso machines can be optionally fitted with the innovative INTENZA+ water filter, which was co-developed with BRITA, the world's No. 1 in household water filters. Just set it to your location's hardness level, and its sophisticated technology does the rest. The result? Ideal water conditions for espresso with the most intense aroma. The water filter ensures a constant brewing temperature and consistent pressure during the brewing process, enhancing your espresso machine's performance.