Filter Overview All Products x Brands Katadyn 15 Applications Marine 3 Humanitarian Aid 1 Commercial 15 Solutions Water 15 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 4 Group Size 1 2 2-5 2 > 10 2 Usage daily 5 often 2 Industrial Water Treatment Category Microfiltration 2 Find Spare Part E-1 Silver anode discover Electro-Katadyn EK-4 discover Electro-Katadyn EK-X/24 discover 1 2