Filter Overview All Products x Brands Katadyn 118 Micropur 13 Steripen 8 Optimus 51 Trek'n Eat 48 Spectra Watermakers 78 Applications Outdoor 72 Marine 22 Tactical 42 Emergency Preparedness & Relief 44 Humanitarian Aid 36 Commercial 15 Solutions Water 118 Effective against Bacteria 15 Bad taste 7 Chemicals 2 Cysts 15 Protozoa 15 Sediments 15 Water Source Clear Water 30 Muddy water 11 Salt Water 6 Tap Water 12 Group Size 1 21 2-5 20 > 10 12 Usage daily 16 often 27 rarely 2 Operation hand-operated 1 manually 3 powered 2 Industrial Water Treatment Category Desalination 1 Microfiltration 2 Find Spare Part New BeFree AC Replacement Cartridge - Black Works with all BeFree Systems (42 mm) except Gravity versions. discover New BeFree AC - Flip Cap discover New BeFree AC Carbon Replacement (3 pcs.) discover New BeFree AC - Silicone Mouth Piece (3 pcs.) discover Hiker Pro Replacement Cartridge discover Hiker Pro Pump Handle Kit discover Hiker Pro Maintenance Kit discover Hiker Pro Body , transparent discover 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 Camp Series Shower Adaptor discover Vario Replacement Cartridge discover Vario Ceramic Prefilter Disc Replacement discover 3 4 5 6 7