We all know the importance of staying hydrated, especially when active. Finding a safe source of water is not always easy when out in the wild though, so portable water purifiers are vital for overnight adventures and expeditions. You'll find some of the best on offer here at Webtogs, from industry-leading brands such Grayl, MSR and Katadyn, each rigorously tested to remove harmful bacteria, protozoa and nasty chemicals. We also stock replaceable filters and cartridges, prolonging the life of your kit. Whether it's a murky stream or a questionable sink on the other side of the globe, with a water purifier you can always drink with confidence. Pick one up here.