Filter Overview All Products x Brands Katadyn 100 Micropur 2 Steripen 8 Optimus 32 AlpineAire 39 Spectra Watermakers 78 Applications Outdoor 71 Marine 19 Tactical 38 Emergency Preparedness & Relief 39 Humanitarian Aid 30 Solutions Water 100 Effective against Bacteria 14 Bad taste 8 Chemicals 3 Cysts 15 Protozoa 15 Sediments 15 Water Source Clear Water 30 Muddy water 11 Salt Water 5 Tap Water 6 Group Size 1 20 2-5 17 > 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