Filter Overview All Products x Brands Katadyn 110 Micropur 13 Steripen 8 Optimus 51 Trek'n Eat 50 Spectra Watermakers 14 Applications Outdoor 73 Marine 20 Tactical 41 Emergency Preparedness & Relief 44 Humanitarian Aid 36 Commercial 7 Solutions Water 110 Effective against Bacteria 16 Bad taste 8 Chemicals 3 Cysts 16 Protozoa 16 Sediments 16 Water Source Clear Water 30 Muddy water 11 Salt Water 5 Tap Water 7 Group Size 1 19 2-5 18 > 10 9 Usage daily 10 often 25 rarely 2 Operation hand-operated 1 manually 3 powered 1 Find Spare Part Spare Filter Cartridge PowerSurvivor (5 Micron) discover PowerSurvivor Filter Cartridge 30 Micron discover PowerSurvivor 40E Extended Cruise Kit - DISCONT... DISCONTINUED discover Active Carbon Bottle Adapter discover Carbon Replacement Pack (2 pcs.) discover Filter Hose Kit for Pocket, Combi, Vario, Hiker... discover Expedition Inlet Hose discover EZ-Clean Membrane™ Filter Cartridge EZ-Clean Membrane™ Replacement Filter Cartridge for all blue Katadyn BeFree Water Filtration Systems. discover EZ-Clean Membrane™ Filter Cartridge - Black Edi... EZ-Clean Membrane™ Replacement Filter Cartridge for Katadyn BeFree Water Filtration System 1.0L, Black Edition. discover New 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. discover New BeFree AC Replacement Cartridge Slate Blue Works with all BeFree Systems (42 mm) except Gravity versions. discover New BeFree AC Replacement Cartridge Black Works with all BeFree Systems (42 mm) except Gravity versions. discover 2 3 4 5 6