VarioIn the outdoors, you need a water filter for all conditions clear or dirty water, the award winning Katadyn Vario is adjustable to different conditions. The filter eliminates bacteria, protozoa, cysts, algae, spores and sediments. Reduces chemicals and improves taste and odour thanks to a replaceable activated carbon granulate. The Katadyn Vario uses ceramic as a cleanable dirt shield and glass fibre for microbiological filtration with minimal pump