MAVEA MicroDisc Water Filter Replacement Set of 3. Higher Capacity: More gallons/liters per filter than the leading brand (60 gallons/227 liters vs. 40 gallons/151 liters)* Compared to chlorine filtration Better-Tasting Water: Advanced CCC (Compressed Catalytic Carbon) Filter Technology reduces chlorine, and other contaminants while leaving in minerals for great-tasting water. No black bits. No pre-soaking. No plastic filter housing, so it's better for the environment. Can be used in MAVEA Micro Disc Family of Products: One Filter Technology Fits All of Your Filtration Needs!