Filter Overview All Products x Solutions All Water 149 Micro Filtration & UV Purification 63 Personal Water Treatment 99 Household Water Treatment 12 Marine Desalination 20 Industrial Water Treatment 7 Chemical Disinfection 5 Storage & Conservation 9 Nutrition 47 Cooking 50 Applications Outdoor 110 Marine 24 Tactical 57 Emergency Preparedness & Relief 63 Humanitarian Aid 40 Commercial 7 Brands Katadyn 128 Micropur 13 Steripen 8 Effective against Bacteria 25 Bad taste 16 Chemicals 14 Cysts 25 microplastics 11 Protozoa 25 Sediments 25 Virus 3 Water Source Clear Water 44 Muddy water 14 Salt Water 5 Tap Water 31 Group Size 1 35 2-5 43 > 10 11 Usage daily 10 often 40 rarely 15 Operation hand-operated 1 manually 3 powered 1 Find Spare Part BeFree AC Carbon Replacement (3 pcs.) CHF 32.90 add to cart BeFree AC - Silicone Mouth Piece (3 pcs.) CHF 15.90 add to cart New BeFree AC Bottle Replacement Cartridge Black Works with Katadyn BeFree AC Bottle (all sizes). CHF 34.90 add to cart New BeFree AC Flip Cap Black CHF 15.90 add to cart 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 44.90 add to cart 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. CHF 29.90 add to cart New Explorer Ceramic Replacement Cartridge CHF 159.00 add to cart New Explorer Virus Membrane Replacement Cartridge CHF 259.00 add to cart New Explorer Activated Carbon Replacement (2 pcs.) CHF 42.00 add to cart New Katadyn Explorer Pro Upgrade Kit CHF 269.00 add to cart New Explorer Maintenance Kit CHF 42.00 add to cart 5 6 7 8 9