Filter Overview All Products x Applications Outdoor 1 Tactical 1 Emergency Preparedness & Relief 5 Humanitarian Aid 5 WASH Camps 5 WASH Villages & Schools 3 WASH Household Water Treatment & Storage 4 WASH Remote & Off Grid Communities 1 Solutions Water 5 Brands Katadyn 5 Effective against Bacteria 4 Cysts 4 Protozoa 4 Sediments 4 Water Source Clear Water 5 Muddy water 5 Group Size 2-5 2 > 10 4 Usage daily 5 often 1 Find Spare Part WASH Camps Reliable, easy-to-use water filters for larger groups with temporary needs for water filtration solutions. Projects & Case studies Katadyn First Response Gravity Filter 3L Katadyn First Response Gravity Filter 3L is an emergency filter for families and small groups in temporary need of water filtration solution. discover Katadyn Rapidyn Filter Kit Katadyn Rapidyn Filter Kit is an emergency filter for small to large groups who need clean drinking water temporarily. discover Katadyn Drip Filter Ceradyn Katadyn Drip Ceradyn is a self-contained water filtering station for large amounts of water. Suitable for groups of 10 or more and for extremely dirty water. discover Katadyn Rapidyn Siphon Kit Katadyn Rapidyn Siphon Kit is an emergency filter for small to large groups in temporary need of water filtration solution. discover Katadyn Mobile Filter Unit MOT-7 discover