GROHE BLUE ULTRASAFE FILTERTHE NEW GROHE BLUE ULTRASAFE FILTER TRANSFORMS TAP WATER INTO DELICIOUS TABLE WATER FREE FROM LEAD, BACTERIA AND MICROPLASTICS. KEY FEATURES BWT replacement filter for GROHE Blue water systems filter capacity 3000 l, the filter must be replaced after 6 months of use retains microplastic > 1 m and 99,999 % of bacteria, removes lead by 99,5 % reduces substances responsible for taste and odor, e. g. chlorine Compatible with GROHE Blue Home, GROHE Blue