Filter Overview All Products x Brands Katadyn 111 Micropur 13 Steripen 7 Optimus 51 Trek'n Eat 48 Spectra Watermakers 77 Applications Outdoor 64 Marine 23 Tactical 42 Emergency Preparedness & Relief 44 Humanitarian Aid 36 Commercial 15 Solutions Water 111 Effective against Bacteria 11 Bad taste 3 Chemicals 2 Cysts 11 Protozoa 11 Sediments 11 Water Source Clear Water 27 Muddy water 11 Salt Water 7 Tap Water 12 Group Size 1 18 2-5 20 > 10 12 Usage daily 16 often 24 rarely 2 Operation hand-operated 2 manually 3 powered 2 Industrial Water Treatment Category Desalination 1 Microfiltration 2 Find Spare Part Camp Series Shower Adaptor discover Hiker Pro Maintenance Kit 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 Vario Handle Set discover Vario Pump Head - Spare Part discover Vario Axle Pin discover Vario/Camp Series Carrying Bag discover Hiker Pro Body , transparent discover Active Carbon Bottle Adapter discover Drip Outlet Tap Kit discover Pocket Piston Rod Kit Filter discover Pocket Maintenance Kit discover 3 4 5 6 7