Here is the BeFree Tactical Active Charcoal 1 liter water filter from Katadyn. Ultra-fast water filtration system for independent drinking water. Filters microorganisms, improves taste and reduces odors. Double-thickness SoftFlaskTM for the toughest conditions. Ideal for trails, hikes, trips... Pure water everywhere!

The Quickdraw Microfilter from Platypus is an ultra-light (100g) and easy-to-use water filtration system, which ensures clean, drinkable water easily everywhere,  with a flow rate of 3L per minute !

100 pastilles pour le traitement bactérien de l'eau. Ces tablettes Oasis réduisent considérablement la contamination de l'eau grâce aux comprimés à base de chlore. Pastilles t rès efficaces pour tuer les micro-organismes présents dans l'eau, les comprimés Oasis...