Way I went to buy the possession of two pre-selected filters: the filter's SP140 Sawyer and Survive-Pure filter your Webtex.
Through the purchase, I managed to clarify some important facts (read: expensive Downloaded science).
Webtex is granted for use within their design of the filter element containing a 0.2 micron membrane, iodine compounds and activated carbon. This last item is visible after ramping up the filter (it is also a way to remove impurities from the filter housing). What amazes me the use of compounds of iodine. I do not know what they can do if their impact is limited in time (at the end of the filter the water goes quite rapidly). The taste of water from this filter is like a slightly sweet and spicy at the same time. This is the effect of activated carbon. In fact, this filter improves taste and clarity of water. Laboratory tests did not.
Sawyer filter contains a 0.1 micron membrane, and basically everything. Does not improve the taste or appearance of water (improves clarity, color remains).
the data that I was able to gather previously inferred that the two filters weigh about 60 grams. In fact, weighs 46 grams Sawyer makes me very happy.
Less weight has Webtex filter - 118 grams (5 grams Screw adapters for tubing). Filters change the weight when wet.
Webtexa If the difference is 12 grams, in the case of Sawyer 2-5 grams. Of course described here relate to the weight Only the filter element (without hoses and adapters).
Another difference in favor of Sawyer's filter is that it does not require priming (ie, pass through the water before first use). Webtexu filter requires a restart. This is not particularly difficult but it's always extra fun. During priming of the filter fly in visible particles of activated carbon.
Another difference (again, in favor of Sawyer): webtexowy filter can be cleaned by backflushing (ie, pure water passing in the opposite direction). Sawyer, you can just wash the ground (even enough water accumulated in the mouth - No filter connected to the tap). Thanks to Sawyer's product may actually be long-lived. Survive-Pure as it becomes clogged is not much you can do. Although I could be wrong. Maybe the manufacturer did not describe such a procedure, and it is possible. At the moment I prefer not to try.
Filter Webtexa get included with the adapter on the faucet adapter and two sets of screw-in filter for it to fit different diameters of tubing used in bukłakach. We get a manual.
Filter Sawyer came in a set of polycarbonate bottle with a filter forming a source of clean water. Simply fill the bottle with dirty water and drink close by the protruding tube.
course set is heavily armored and weighs more than a quarter of a pound. For me this is sufficient reason to abandon the thought of his wearing of the trip: we still have the LP set free a few tubes of different materials and two unnecessary brackets (shown in photo).
The differences in productivity and other characteristics of the filters I write for some time.
In order processed to wody metodą grawitacyjną należy zaopatrzyć się w wężyk o odpowiedniej średnicy oraz korek do butelki z adapterem do wężyka.
Będąc przezornym kiedy przerabiałem stare Kudu na miskę zostawiłem sobie wszystkie inne elementy. Jeśli ich nie masz polecam zestaw Platypus Hoser 2 lub 3 litry. Zawiera on wszystkie te elementy oraz bukłak mogący służyć jako rezerwuar brudnej wody. Ja jako tego rezerwuaru użyję zwykłego Platypusa 2L. Cały taki zestaw (rurka + korek z adaptorem) ważą ok. 50 gramów. Butelka na brudną wodę będzie ważyć 30 gramów. Clean water bottles do not count anyway because I would have to wear them. In this way, I have two sets of gravity filters: the filter weighing 203 grams Webtexa filter Sawyer and weighing 126 grams. The importance of this first not admire, but the second is already a certain advantage over the IAS-type structures and whether the Platypus. If you decide not to use containers of clean water we can drink directly from the bottle of dirty water through a line filter. Then we have an additional weight saving. The only thing that would then be added to the set is a mouthpiece of the gourd (or about 10 grams).
my opinion, both filters are worth attention. If I had to choose a filter for use close to civilization, I would choose the filter will Webtexa. As the filter used in the natural environment, free of cultivated fields, pastures, industrial plants and urban without hesitation I would choose a filter Sawyer. Both of which require the use of chemical agent to purify water from viruses. Webtexa filter in combination with a tablet Katydyna has the advantage that the water tastes as if it was not the film they used.
Through the purchase, I managed to clarify some important facts (read: expensive Downloaded science).
Webtex is granted for use within their design of the filter element containing a 0.2 micron membrane, iodine compounds and activated carbon. This last item is visible after ramping up the filter (it is also a way to remove impurities from the filter housing). What amazes me the use of compounds of iodine. I do not know what they can do if their impact is limited in time (at the end of the filter the water goes quite rapidly). The taste of water from this filter is like a slightly sweet and spicy at the same time. This is the effect of activated carbon. In fact, this filter improves taste and clarity of water. Laboratory tests did not. Sawyer filter contains a 0.1 micron membrane, and basically everything. Does not improve the taste or appearance of water (improves clarity, color remains).
the data that I was able to gather previously inferred that the two filters weigh about 60 grams. In fact, weighs 46 grams Sawyer makes me very happy. 
Less weight has Webtex filter - 118 grams (5 grams Screw adapters for tubing). Filters change the weight when wet. 
Webtexa If the difference is 12 grams, in the case of Sawyer 2-5 grams. Of course described here relate to the weight Only the filter element (without hoses and adapters). Another difference in favor of Sawyer's filter is that it does not require priming (ie, pass through the water before first use). Webtexu filter requires a restart. This is not particularly difficult but it's always extra fun. During priming of the filter fly in visible particles of activated carbon.
Another difference (again, in favor of Sawyer): webtexowy filter can be cleaned by backflushing (ie, pure water passing in the opposite direction). Sawyer, you can just wash the ground (even enough water accumulated in the mouth - No filter connected to the tap). Thanks to Sawyer's product may actually be long-lived. Survive-Pure as it becomes clogged is not much you can do. Although I could be wrong. Maybe the manufacturer did not describe such a procedure, and it is possible. At the moment I prefer not to try.
Filter Webtexa get included with the adapter on the faucet adapter and two sets of screw-in filter for it to fit different diameters of tubing used in bukłakach. We get a manual.
Filter Sawyer came in a set of polycarbonate bottle with a filter forming a source of clean water. Simply fill the bottle with dirty water and drink close by the protruding tube. 
course set is heavily armored and weighs more than a quarter of a pound. For me this is sufficient reason to abandon the thought of his wearing of the trip: we still have the LP set free a few tubes of different materials and two unnecessary brackets (shown in photo). 
The differences in productivity and other characteristics of the filters I write for some time.
In order processed to wody metodą grawitacyjną należy zaopatrzyć się w wężyk o odpowiedniej średnicy oraz korek do butelki z adapterem do wężyka.
Będąc przezornym kiedy przerabiałem stare Kudu na miskę zostawiłem sobie wszystkie inne elementy. Jeśli ich nie masz polecam zestaw Platypus Hoser 2 lub 3 litry. Zawiera on wszystkie te elementy oraz bukłak mogący służyć jako rezerwuar brudnej wody. Ja jako tego rezerwuaru użyję zwykłego Platypusa 2L. Cały taki zestaw (rurka + korek z adaptorem) ważą ok. 50 gramów. Butelka na brudną wodę będzie ważyć 30 gramów. Clean water bottles do not count anyway because I would have to wear them. In this way, I have two sets of gravity filters: the filter weighing 203 grams Webtexa filter Sawyer and weighing 126 grams. The importance of this first not admire, but the second is already a certain advantage over the IAS-type structures and whether the Platypus. If you decide not to use containers of clean water we can drink directly from the bottle of dirty water through a line filter. Then we have an additional weight saving. The only thing that would then be added to the set is a mouthpiece of the gourd (or about 10 grams). my opinion, both filters are worth attention. If I had to choose a filter for use close to civilization, I would choose the filter will Webtexa. As the filter used in the natural environment, free of cultivated fields, pastures, industrial plants and urban without hesitation I would choose a filter Sawyer. Both of which require the use of chemical agent to purify water from viruses. Webtexa filter in combination with a tablet Katydyna has the advantage that the water tastes as if it was not the film they used.
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