Filter Overview All Products x Applications All Outdoor 4 Tactical 5 Emergency Preparedness & Relief 9 Disaster Relief 9 First Responders 9 Emergency Stock 13 Survival Kits for Liferafts 2 Humanitarian Aid 7 Solutions Water 7 Nutrition 2 Brands Katadyn 7 Trek'n Eat 2 Effective against Bacteria 4 Cysts 4 Protozoa 4 Sediments 4 Water Source Clear Water 7 Muddy water 5 Tap Water 1 Group Size 1 1 2-5 4 > 10 5 Usage daily 5 often 1 Series Vegan 2 Allergens Gluten Free 1 Lactose Free 2 Packaging Bar 2 Find Spare Part First Responders Our effective, high-performance and easy-to-transport First Response hollow-fiber filters as well as freeze-dried ready meals and emergency food guarantee the uninterrupted supply of drinking water and food for first responders. Katadyn’s First Response hollow fiber filters are effective, high output, and easily distributed to keep small groups and aid workers safe during a water emergency. These units are also lightweight and foldable for efficient logistical handling. Our nutritionally optimized, freeze-dried meals and ready-to-eat emergency rations with a long shelf life ensure the food supply and can be easily stored and transported. Projects & Case studies Katadyn Pocket Water Filter The classic Katadyn Pocket is a high-class fllter with a 20-year warranty. discover 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 DIY Filter Kit This product is only available for humanitarian aid organizations. The Katadyn Rapidyn DIY Filter Kit is an emergency filter for small to large groups who need clean dri... discover Katadyn Rapidyn Gravity Filter 10L This product is only available for humanitarian aid organizations. The Katadyn Rapidyn Gravity Filter 10L is an emergency filter for small to large groups who need clean... 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 Expedition Filter Katadyn Expedition - the high-performance filter. Suitable for groups of 10 or more. Effective against microorganisms. discover Active Carbon Bottle Adapter discover NRG-5® Emergency Food Ration discover NRG-5® ZERO Emergency Food Ration discover