Filter Overview All Products x Brands Katadyn 129 Micropur 13 Steripen 8 Optimus 50 Trek'n Eat 51 Spectra Watermakers 14 Applications Outdoor 90 Marine 20 Tactical 51 Emergency Preparedness & Relief 54 Humanitarian Aid 35 Commercial 7 Solutions Water 129 Effective against Bacteria 24 Bad taste 16 Chemicals 15 Cysts 24 microplastics 12 Protozoa 24 Sediments 24 Virus 2 Water Source Clear Water 38 Muddy water 14 Salt Water 5 Tap Water 12 Group Size 1 24 2-5 21 > 10 9 Usage daily 10 often 33 rarely 2 Operation hand-operated 1 manually 3 powered 1 Find Spare Part Expedition Inlet Hose discover BeFree AC Replacement Cartridge Slate Blue Works with all BeFree Systems (42 mm) except Gravity / Bottle versions. discover BeFree AC Replacement Cartridge Black Kompatibel mit allen BeFree Systemen (42 mm) ausser den Gravity / Bottle Versionen. discover BeFree AC Flip Cap Slate Blue discover BeFree AC Carbon Replacement (3 pcs.) discover BeFree AC - Silicone Mouth Piece (3 pcs.) discover New BeFree AC Bottle Replacement Cartridge Black Works with Katadyn BeFree AC Bottle (all sizes). discover New BeFree AC Flip Cap Black 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 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 Explorer Ceramic Replacement Cartridge discover 3 4 5 6 7