The Rolls Royce filter for professional use - 20 year warranty. Constructed of extremely strong and durable materials. The Pocket is after 50 years still the filter of choice when it comes to tough jobs and when the right equipment can safe lives for world travel, expeditions, mountain tours and disaster relief assistance worldwide. It is the only personal water filter on the market backed up with a 20 years/(USA: lifetime) warranty. It is also used by famous US Navy Seals. To make the Pocket fit for an other century the most frequent customer requests were incorporated in the new design which is available as of January 2000. Now the Pocket has a round pump handle grip with a shock absorber making pumping painless and comfortable. The outlet hose which can be attached with a small screw on adapter makes filling bottles now a lot easier. The heart of the pocket is the Katadyn ceramic with a pore size of 0.0002 mm (0.2 micron). It reliably holds back all pathogenic bacteria and protozoa such as: giardia, cryptosporidium, salmonella, amoebas, e-coli etc. With an easy single pumping mechanism water is turned immediately into safe drinking water, retaining its natural mineral content, without the need for boiling. The used ceramic element can easily be cleaned by brushing the surface with an abrasive pad. A measuring gauge is provided to check the minimum diameter of the ceramic element. On the market since 1950.

A member of Katadyn's Backcountry Series of water filters, the Vario Multi Flow Water Microfilter is the first water filter that is adjustable for different conditions. It combines two leading technologies into one high-performance pump: ceramic for a longer life and pleated glass fiber for easy operation. The Vario offers a high output and also contains a replaceable carbon core to keep the water tasting fresh.