About this item Purification that Actually Does Stuff. The Only Everyday Water Filtration System that Removes Bacteria and Parasites, in Addition to Microplastics Reduces Lead, Mercury, and Chemicals Including PFAS ('Forever Chemicals'), Chlorine, Herbicides, Pesticides, Dirt, Sand, and Cloudiness. Retains Essential Minerals Like Magnesium and Potassium that are Good for Your Health Compatible with all LifeStraw Home Water-Purifying Pitchers and Dispensers Improves Taste and Avoids the Need to Buy Single Use Plastic Bottled Water The Membrane Purification Cartridge Lasts 264 Gallons (1 Year With Regular Use). The Activated Carbon + Ion Exchange Component Lasts Up to 40 Gallons (2 Months With Regular Use) ? See more product details