The Katadyn Pocket Water Filter is one of the most rugged, durable water microfilters on the market. The Pocket Filter is a robust water filter that will serve you well and up to three other people too. It is manufactured with heavy-duty materials that ensure it will survive frequent use in the most remote environments and the most extreme circumstances The original portable water filter, the Katadyn Pocket Water Filter is now a classic and is the only such product on the market with a 20-year warranty. The Katadyn Pocket Filter includes a pre-filter, a bottle clip and a carry bag and its silver-impregnated ceramic element make its effectiveness against bacteria and protozoa unmatchable. Easy to clean and maintain, the Katadyn Pocket Filter has become a tried and tested favourite. Features The original portable water filter and now a classic Made from top-quality, durable materials that give unparalleled quality with 20-year guarantee Suitable for the toughest of conditions and the first choice for extreme adventurersThe tried and tested ceramic depth filter removes bacteria, protozoa and other disease-causing agentsThe micro-organisms cannot pass through the mini pores of the filter ceramic (0.2 microns) because of their size (>0.2 microns = 0.0002 mm)Unlike disposable filters, the ceramic can be cleaned several times, even in the field Improved round pump handle for better ergonomics and an outlet hose which can be attached to water containers with a simple clip Cleanable ceramic filter element is not only for clear but also for very cloudy water Ceramic filter can be used hundreds of times (not a disposable filter) Few movable parts means simple minimal maintenance Improved hand ergonomics mean even easier to pump Measuring gauge supplied which indicates when the filter element should be changed Technology: 0.2 micron cleanable ceramic depth filter Output: ~1 quart/min (~1 L/min)Capacity (depending on water quality): 13,000 gal (50,000 L)Weight: 20 oz (550 g)Dimensions: 10 x 2.4 inches (24 x 6 cm)Ceramic Replacement Cartridge: 8013619Bad-tasting or foul-smelling water is tough to swallow, literally. But hydration is life. This adapter with an activated carbon cartridge makes sure your wide mouth bottle is faithfully filled with clean, refreshing, crisp water – so pure tasting and chemical free you’ll want to drink even more. With a replaceable carbon insert, that’s no problem. Drink up!