Filters Out Contaminants: The Membrane Microfilter Protects Against Bacteria (Including E.coli + Salmonella), Parasites (Including Giardia And Cryptosporidium), Microplastics, Sand, Dirt, And Cloudiness. Improves Taste: The Carbon Filter Reduces Chlorine, Odors + Organic Chemical Matter. Long Lasting: The Membrane Microfilter Lasts Up To 1,000 Gal (4,000 L) - About Five Years Of Daily Use. Carbon Filter Lasts Up To 26 Gallons (100 L) - About Two Months. Saves Waste: The Membrane Microfilter Lasts The Equivalent To 8,000 Single Use Plastic Water Bottles.