Filter Overview All Products x Solutions All Water 34 Micro Filtration & UV Purification 34 Personal Water Treatment 70 Household Water Treatment 9 Landbased Desalination 44 Marine Desalination 84 Chemical Disinfection 2 Applications Outdoor 26 Tactical 17 Emergency Preparedness & Relief 17 Humanitarian Aid 10 Brands Katadyn 27 Steripen 7 Effective against Bacteria 10 Bad taste 1 Cysts 10 Protozoa 10 Sediments 9 Virus 1 Water Source Clear Water 30 Muddy water 9 Tap Water 10 Group Size 1 22 2-5 18 > 10 8 Usage daily 8 often 25 Find Spare Part Katadyn Vario Filter Perfect for a small group, the award winning Katadyn Vario is a powerful companion in a small, lightweight package. This variable filter offers higher output or longer life, your choice! discover Katadyn Combi Filter Katadyn Combi is an all-around filter, suitable for extremely dirty water and small groups up to 3 people. Effective against microorganisms, reduces chemicals and improves the taste of ... discover Katadyn Drip Filter Ceradyn Katadyn Drip Ceradyn is a self-contained water filtering station for large amounts of water. Suitable for groups of 10 or more and for extremely dirty water. discover Katadyn Expedition Filter Katadyn Expedition - the high-performance filter. Suitable for groups of 10 or more. Effective against microorganisms. discover 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 EZ-Clean Membrane™ Filter Cartridge EZ-Clean Membrane™ Replacement Filter Cartridge for all blue Katadyn BeFree Water Filtration Systems. discover 1 2 3