And when you're ready to "hit the road," the collapsible flask packs small to fit into tight spaces. Or, remove the filter from the flask and swish in any lake, river or stream. Simply fill the flask with water, attach the cover and shake free the debris. Maintain the EZ-Clean Membrane™ quickly and easily for longer life and more enjoyment. Gently squeeze the flask for instant refreshment. Just fill up the flask and let the EZ-Clean Membrane™ do the work. ![]() With the BeFree™ Filter, you no longer have to worry about where your next drink will come from. Winner of Backpacker Editors' Choice Award, Runner's World Gear of the Year Award, and ISPO Gold Awards! The lightweight and compact Katadyn BeFree water bottle and filter gives you the freedom to drink anytime, anywhere. From now on, every time I head somewhere busy in the hills I'll be likely to pack the BeFree in preference to any heavier, more faffy filter. ![]() Being good for 1000 litres equates to about 4 pence per litre, which has to be decent value by anyone's standards. Build quality seems robust, and its £43 price tag is fair for what you're getting, on a par with comparable lightweight filters. Pack it instead of a separate water bottle, or bring it along as an additional just-in-case measure either way it's so light and compact that you really can carry it in your pocket. This goes for the vast majority of filters on the market, of course, not just the BeFree.Īs intuitive to use as you could hope for, the BeFree makes water filtering a doddle. If there is a risk of viral contamination - in built up areas with poor sanitation for instance - then additional purification treatment will also be required, be that chemical or UV. However if you're heading somewhere less developed then it is worth pointing out that a 0.1 micron pore size is not sufficient to filter out viruses. In the great outdoors, far upstream of towns and cities, a filter is generally all you need. It is also really easy to keep clean, either by filling the bag and just shaking the dirt free of the filter, or by removing the filter unit and swooshing it about in some water. The membrane is good for 1000 litres of clean water, which for most of us has got to represent a good couple of years worth of outdoor use. The result is pure, clean-tasting drinking water. At only 0.1 micron wide, the pore size is easily small enough to filter out sediment, plus any harmful bacteria and protozoa in the water, which typically go down to about 0.2 microns in size. Looked at closely, the BeFree's 'EZ-Clean Membrane' is a mass of hollow fibres, through which the water passes. In terms of that capacity, if you are re-filling regularly then 0.6+ of a litre is a decent size - certainly enough to keep you going until the next water source if you're out in the soggy British hills. ![]() The nozzle can be sucked, sports bottle style, or alternatively used to fill another container if you're filtering more than the HydraPak's 600ml capacity. Pressure to force the water through the filter is created not by a pump mechanism, but simply by squeezing the bag as you drink. Screw the head back on, and you're good to go. While filling you have to be aware not to contaminate the sucky end with untreated water, but a robust cap over the nozzle makes this easy. Remove the filter unit, and the HydraPak water bag is filled direct from the water source - its wide mouth makes this very quick. ![]() Most filters comprise a pump mechanism and some sort of intake tube, but the BeFree is neater, its design being both simpler to use and more compact.
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