I was just surfing around and found this:http://ecovessel.com/accessories/aquamira-filter-for-aquavessel-bottles#.UaguXJy6rTp
That looks like an alternative to the Old Sawyer Filter.
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I was just surfing around and found this:http://ecovessel.com/accessories/aquamira-filter-for-aquavessel-bottles#.UaguXJy6rTp
That looks like an alternative to the Old Sawyer Filter.
another option is you can contact Chris at Ula to see if he can make you an H20 Amigo which uses the Sawyer Filter. it comes in around 6.7 oz.
Here is a Video review that I did on it.

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