Operation and compatibilities
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The female part (bottom of photo) part is screwed onto the flexible blue plastic bottle comes with, to 0.5L, but we can adapt bottles of mineral water from the bottle (for people who do not like flexible pouches) or use water pouches kind Platypus (transparent practice because if one sees they are dirty or moldy, and they exist in 1L, 1.5L and 2L).
For cons, the filter is not compatible with the metal bottle necks: the no-vis the neck of the bottle in front of male back into the no-Sawyer screw cap, it is necessary that the pas-de -vis male of the gourd is apparent. Or in metal flasks, it is protected inside the neck.
The top part with the small nozzle, serving drinks. What is painful is that it can not be screwed onto another bottle. In other words, we can not fill a water water pocket "dirty", screw it to Sawyer, hang upside down and screw underneath a gourd, and allow the filter to fend for himself by going back to see half -hour later how it goes.
It is imperative to squeeze by hand pocket "dirty", and fill the gourd jet below, aiming good! Fortunately, the speed surprised me in much: it's good, it takes 3-4 minutes, not the drip-drop, but a small continuous stream.
The little gray tube 10 cm long, it is an accessory, for example if you want to drink through a straw by plunging the female part directly in a fountain basin for example. In fact, I do not use it.
What water to drink?
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The filter is strong, the brand announced 10,000 liters of filtered before changing. If too turbid water filter, the filter eventually become clogged: to flush a shot syringe filled with pure water (syringe supplied). Personally, I do not need to rinse after a week of use with various fountains in the villages. I think we really filtering water "dirty" kind muddy, to require the syringe. And this is the only maintenance, no parts to change, it is not about the cartridge pitcher of water with a level monitoring and consumables to buy every three months.
The filter is up to 0.1 micron, that is to say that particular filter which gives diarrhea (turista), typhoid and cholera, have I learned from reading the site manufacturer. It filters out bacteria, microbes, viruses not yet, but to filter tighter, it becomes very expensive. In fact, 0.1 micron is what is done best on the market for ten years, and find viruses in water? ...
I find it super convenient to have this filter on hand for all the clear waters, but bad: so I know what I give to drink to children, even when I use a public fountain with "unsupervised water" or "non-potable" written on it.
I took him on every trip in the bag! Warning, this is not an activated carbon filter: it does not deodorizes water. So if the water smells of bleach, it will come out pure, but with a smell after filtration. There are compact filters combining ceramics and coal Katadyn mark, but 3 times more expensive and twice as big.
The small improvement expected
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Last detail: when one unscrews the filter the Sawyer bottle, inevitably, it continues to drip as the rest of the water to be discharged inside the Sawyer membranes. So you have to plug the small end down to be quiet. So I got an old hose nozzle Platypus gourd, and when I unscrewed the bottle of Sawyer, I mouth the tip (bottom of picture) with my improvised stopper (the blue cap here, ie = UTF8 & qid = 1407666124 & sr = 1-6 & keywords = gourd + platypus). So the system is waterproof and does not wet the pocket of the bag.
The balance sheet: the excellent material, usable even by a child, which does more stress by seeking constantly drinking water when you're traveling, that fits everywhere.
