Grohe Blue Ultrasafe FilterExchange filter for Grohe Blue Ultra Safe BWT replacement filter for Grohe Blue water systems Up to 3000 Liters Filter capacity maximum 3000 l or 6 months 2 phase filter Retains microplastic 1 m and 99. 99 % of bacteria Reduces substances responsible for taste and odor, e. g. chlorine Compatible with Grohe Blue Home, Grohe Blue Professional and Grohe Blue Pure (only with flow meter) Illustrated Code 40575001 40575001: GROHE Blue Ultra safe filter