Filter with approx 400 litres at 17° dGH capacity. Features pre-filtration for removing rough particles such as sand and dirt, activated-carbon pre-filtration to remove natural contamination (e.g. from domestic water supply), and ion exchanger to reduce limescale and heavy metals whilst adding up to 35mg/l magnesium and up to 3mg/Ltr zinc. Reduces substances responsible for unpleasant taste and odour, such as chlorine. Fine filtration reduces fine particles. Delivers mineral-enriched, pure-tasting water straight from the tap. Quick & Easy Installation Suitable for All Pressure Systems Can be Used as Replacement Filter for Grohe Blue & Grohe Red Water Systems Works in 5 Stages Reduces Unpleasant Taste & Odour Reduces Limescale & Heavy Metals Quick & Easy Installation Suitable for All Pressure Systems Can be Used as Replacement Filter for Grohe Blue & Grohe Red Water Systems Works in 5 Stages Reduces Unpleasant Taste & Odour Reduces Limescale & Heavy Metals