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Another brand is Platypus. I have their "Hoser" line, which has some differences from the models you show: The hose is detachable. The bag has only one opening, with a screw fitting. You fill ...
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Another brand is Platypus. I have their "Hoser" line, which has some differences from the models you show: The hose is detachable. The bag has only one opening, with a screw fitting. You fill ...