Filter Overview All Products x Brands Katadyn 3 Micropur 9 Trek'n Eat 2 Applications Marine 3 Humanitarian Aid 1 Commercial 3 Solutions Water 3 Micro Filtration & UV Purification 28 Personal Water Treatment 64 Household Water Treatment 11 Marine Desalination 20 Industrial Water Treatment 15 Storage & Conservation 3 Water Source Tap Water 2 Usage daily 2 Find Spare Part E-1 Silver anode discover Electro-Katadyn EK-4 discover Electro-Katadyn EK-X/24 discover