Trust the world's leader in water purification solutions. The Swiss brand Katadyn offers a range of products to treat water safely. Ideal for travelling, sailing, backpacking or hiking - Katadyn offers a solution for your water purification needs. The Microfilters are easy to use, even if you have not had any experience with water filters before. For extra safety or for purification while travelling Katadyn's chlorine purification tablets are a great way of avoiding the risks associated with drinking contaminated water while they are small enough to fit in your pocket!