The MAUNAWAI® outdoor bottle!The foldable MAUNAWAI® outdoor bottle (750 ml) reliably purifies river, stream, and lake water in three stages: Intensive filter – removes pesticides, chlorine, fluoride, heavy metals, and much more.Bacterial filter (UF membrane, 0.01 μm) – germ- and bacteria-free.MAUNAWAI® filter – with PI ceramics for revitalization and fine cluster formation.✔ BPA-free & made...