Filter Overview All Products x Brands Katadyn 111 Micropur 13 Steripen 7 Optimus 51 Trek'n Eat 47 Spectra Watermakers 77 Applications Outdoor 64 Marine 23 Tactical 42 Emergency Preparedness & Relief 44 Humanitarian Aid 36 Commercial 15 Solutions Water 111 Effective against Bacteria 11 Bad taste 3 Chemicals 2 Cysts 11 Protozoa 11 Sediments 11 Water Source Clear Water 27 Muddy water 11 Salt Water 7 Tap Water 12 Group Size 1 18 2-5 20 > 10 12 Usage daily 16 often 24 rarely 2 Operation hand-operated 2 manually 3 powered 2 Industrial Water Treatment Category Desalination 1 Microfiltration 2 Find Spare Part PowerSurvivor Filter Cartridge 30 Micron discover PowerSurvivor 40E Extended Cruise Kit - DISCONT... DISCONTINUED discover EZ-Clean Membrane™ Filter Cartridge EZ-Clean Membrane™ Replacement Filter Cartridge for all blue Katadyn BeFree Water Filtration Systems. CHF 44.90 add to cart EZ-Clean Membrane™ Filter Cartridge - Black Edi... EZ-Clean Membrane™ Replacement Filter Cartridge for Katadyn BeFree Water Filtration System 1.0L, Black Edition. CHF 49.90 add to cart Cleaning Hose for Ceramic Filter Elements discover Hiker Pro Replacement Cartridge CHF 69.00 add to cart Vario Replacement Cartridge CHF 74.90 add to cart Vario Ceramic Prefilter Disc Replacement CHF 36.90 add to cart Vario Carbon Replacement Pack (2 pcs.) CHF 24.90 add to cart Vario Maintenance Kit CHF 29.00 add to cart Hiker Pro Pump Handle Kit CHF 19.00 add to cart Camp Series Ultra Flow Filter Replacement Cartr... Discontinued - replaced by EZ-Clean Membrane™ Filter Cartridge (8019641) in combination with BeFree Gravity Upgrade Kit (8020861)... discover 2 3 4 5 6