Filter Overview All Products x Brands Katadyn 92 Micropur 2 Steripen 7 Optimus 33 AlpineAire 29 Spectra Watermakers 77 Applications Outdoor 61 Marine 20 Tactical 40 Emergency Preparedness & Relief 41 Humanitarian Aid 32 Solutions Water 92 Effective against Bacteria 11 Bad taste 3 Chemicals 2 Cysts 11 Protozoa 11 Sediments 11 Water Source Clear Water 26 Muddy water 11 Salt Water 7 Tap Water 7 Group Size 1 17 2-5 16 > 10 10 Usage daily 11 often 21 rarely 2 Operation hand-operated 2 manually 3 powered 2 Industrial Water Treatment Category Desalination 1 Find Spare Part 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 Combi Sealing Set discover Expedition Lid Fastening Kit (Set 2) discover 3 4 5 6 7