Filter Overview All Products x Applications All Outdoor 143 Marine 84 Tactical 96 Emergency Preparedness & Relief 103 Humanitarian Aid 89 Gravity Water Filter (HWTS) 4 Remote Communities 7 Commercial 51 Solutions Water 89 Brands Katadyn 30 Micropur 2 Spectra Watermakers 57 Effective against Bacteria 4 Cysts 4 Protozoa 4 Sediments 5 Water Source Clear Water 10 Muddy water 4 Salt Water 11 Tap Water 3 Group Size 1 4 2-5 4 > 10 16 Usage daily 16 often 7 rarely 2 Operation powered 8 solar powered 1 Find Spare Part Humanitarian Aid Sustaining life no matter where. The Katadyn Group has the broadest portfolio of products and technologies for drinking water treatment on the market. Humanitarian aid organizations and WASH coordinators rely on our products to ensure the supply of clean drinking water regardless of location, water source and population size. Projects & Case studies Expedition Pressure Relief Valve discover Expedition Outlet Hose Set discover Expedition Clamping Srew discover Expedition Inlet Hose discover Drip Ceramic Replacement Cartridge Ceradyn discover 4 5 6 7 8