Grayl Water filter purifiers are the best on the market. They offer the ultimate in performance, convenience, & portability.Just Fill. Press. Drink.They take seconds to filter a bottle of water and remove 99.99% of viruses, 99.9% of protozoan cysts,in addition to particulates, many chemicals and heavy metals.
Available in 2 sizes: Geopress and Ultralight
Perfect for camping or travelling, make sure you have safe drinking water at all times!