Drip CeradynSuspect water needs worry free, hassle free filtration and that's what you get from this freestanding Katadyn Drip product. No electricity. No pumping. No moving parts. No effort. Just set it up, fill the container, and let gravity pull water through the system. You can confidently treat larger quantities 4 litres hour into a 10 litre container making it a must have for groups, base camps, huts, cabins or recreation areas. The Drip Ceradyn uses silver