Drip Filter CeradynKatadyn 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. Suspect water needs worry free, hassle free filtration and that is what you get from this freestanding Katadyn Drip Ceradyn product. No electricity, no pumping, no moving parts and no effort. No need for pumping or connection to a tap thanks to gravity. The output is approx. 4L h and particularly