It is indicated by the fact that it might serve us a lot in terms of increasing the standard of the water, as it has solid filters built in, owing to which we can filter the water and make it be substantially healthier. Although in countries, where the standards of living are higher, the water is generally not likely to have dangerous bacteria etc. in it, we should be aware of the fact that similar alternative is likely to help us during travels to more exotic places, exceptionally those, where the water is not simply available and, consequently, we need to take it from miscellaneous sources.
Another recommendable alternative that can gather our attention in terms of farther travels to more exotic places all over the world is a lifestraw that is very similar to the product analyzed in first paragraph. The only one, but very considerable difference, is referred to its size that is substantially smaller. In fact, this good is a pocket filter that we may use even in the most hard conditions and have it for example in our trousers so that we would be able to use it every time we would want it to.