Filter Overview All Products x Applications All Outdoor 109 Adventure & Sports 109 Caravaning 13 Travel & Health 10 Hunting & Fishing 111 Tactical 28 Emergency Preparedness & Relief 10 Humanitarian Aid 5 Solutions Water 22 Food 35 Cooking 52 Brands Katadyn 15 Steripen 7 Optimus 52 Trek'n Eat 35 Effective against Bacteria 5 Cysts 5 Protozoa 5 Sediments 5 Virus 1 Water Source Clear Water 19 Muddy water 4 Tap Water 7 Group Size 1 14 2-5 13 > 10 3 Usage daily 1 often 18 Series Vegan 2 Fish 1 Meat 14 Vegetarian 17 Allergens Gluten Free 10 Lactose Free 3 Packaging Pouch 35 Fuel Jet fuel 5 Diesel 5 Gas 19 Jet fuel 5 petroleum 5 white Gas 6 Pot Size < 1l 8 > 1l 2 Find Spare Part Adventure & Sports Whether hiking, camping, enjoying active sports or on an expedition, our solutions ensure safe drinking water is always within reach and healthy food is possible everywhere you go. Projects & Case studies Katadyn Steripen Ultralight UV Water Purifier discover Katadyn Steripen Ultra UV Water Purifier discover Katadyn Steripen Aqua UV Water Purifier - DISCO... DISCONTINUED discover Katadyn Steripen Adventurer Opti UV Water Purifier discover Katadyn Steripen Classic 3™ UV Water Purifier discover Katadyn Steripen FitsAll™ Filter discover Katadyn Steripen Pre-Filter discover Camp Series Shower Adaptor discover New BeFree Gravity Upgrade Kit The BeFree Gravity Camp Upgrade Kit turns your Katadyn Gravity Camp or Base Camp Pro into a Katadyn BeFree Gravity Water Filter System. discover Active Carbon Bottle Adapter discover Fruit Mix discover Swiss Muesli with Milk discover 1 2 3 4 5